prudent
释义： 形容词，表“小心的，慎重的，精明的”，在留学文书中可用来替换一些同义词，例如careful和shrewd，使自己文书词汇不重复。
例句：
Howard Dawber, strategic adviser for the Canary Wharf Group, which manages a huge complex in East London where 100,000 people work, said it was not scaremongering but prudent planning.
It is therefore prudent to test, validate, or disprove explanatory mechanisms such as immigration selection bias across different Hispanic subgroups.