Translation is approximation by guesstimation

Alan Wang wrote:

reasonable risk
Phi says reasonable means '合理的', but if you translate it as 合理的风险, it does not sound right, since the sentence as a whole is talking about the risk is unacceptable which should mean unreasonable.

可信的，并不意味合理的，后者是肯定的意义，而前者比较中性的。
在你的翻译中，你是把可信的（reasonable）转成动词‘相信’

Alan Wang wrote:
但Proz高人很多，I will wait for someone to trump my opinion.

We will immediately suspend or discontinue engagement with upstream suppliers where we identify a reasonable risk that they are sourcing from, or linked to, any party committing serious abuses as defined in paragraph 1.
我们发现在一定程度上存在上游供应商从第一段中定义的犯有严重侵权行为的任何一方进行采购或与之有关联的风险的情况下，我们将立即中止或中断与其的合作。

§ 3.2.2. Reasonableness

The notion of reasonableness plays a critical role in defining the contemporary Anglo-American legal mind. English-speaking lawyers refer routinely to reasonable time, reasonable care, reasonable mistake, reasonable risk, and reasonable force. Every time the term is used, the implicit reference is to the behavior of a “reasonable person under the circumstances”. This hypothetical character invites us to recognize and apply a community standard for judging individual behavior. Those who fail to meet the standard of the reasonable person are at fault and deserve to be blamed for their “unreasonableness” of belief or behavior. There is no technical problem translating “reasonableness” into Western languages that draw on the Hellenistic understanding of reason as a source of truth. French vocabulary includes raisonnable; Germans understand what it means to be vernünftig, and Russians have no trouble with razumnyj. The problem is that although lawyers are able to use this term in legal argument and in drafting statutory provisions, they traditionally have not done so. The French Civil Code uses raisonnable just once, and the German Civil Code never couches a rule in the analogous demands of Vernunft, or reason. This pattern differs from the efforts to translate “fairness” in words that do not quite fit. Western lawyers in the civil law tradition have a proper translation for “reasonable” at their disposal, but until recently they have chosen not to use it.

For languages outside the influence of Latin, however, the problem comes close to the difficulty of adopting the term “fairness”. When the concept of “reason” is not in common usage, it is difficult to find a cognate for “reasonable”. In modern Hebrew, for example, lawyers had considerable difficulty translating the phrases employing reasonableness that appeared in the English statutes that they adopted as their own, in particular, from Fitzjames Stephens’ draft criminal code, the standard for many of the former English colonies. Finally, sometime after the founding of the state of Israel, a group of experts convened at the Department of Justice in Jerusalem and decided to introduce the word savir as the designated equivalent of “reasonableness”. Consequently, the term not only became common in legal usage but soon spread to the language as a whole, to the point that native speakers today are unaware of the calculated way the word was coined. We can expect a similar development to occur eventually in Arabic, Chinese, and other languages where the concept of reason has weaker cultural roots than in (sic) it does in the European languages.

wherestip wrote:
Although it is used in a legal context, I think the definition of "reasonable" is quite nebulous.