估定承保的风险永远不会成为一门精确的科学。

Assessing insurance risk can never be an exact science.

《牛津词典》

我们也许觉得他们都是受过培训、有经验的、顶着五花八门的头衔的专家，所以他们一定知道如何更好地帮助你理财。

We may feel that because they have the training, experience or fancy job titles that they know what's best for you when it comes to your money.

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当学习者对一门外语的词汇和语法有了一定的掌握，可以用它来表达相对复杂的思想时，就基本进入了第三阶段。

When learners can deal with the vocabulary and grammar of a foreign satisfactorily, and can use the language to express rather complicated ideas, they start to enter the third stage.

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So, we just want to appreciate that what we'll be using in this class is, in fact, the solutions to the Schrodinger equation, and just so you can be fully thankful for not having to necessarily solve these as we jump into the solutions and just knowing that they're out there and you'll get to solve it at some point, hopefully, in your careers.

所以，我们仅仅想要鉴别,将会在这门课中用到的，事实上就是薛定谔方程的解，而且你们可以非常欣慰,因为你们没有必要去,解这些方程而是直接用它们的解,并且知道这些解出自那里,希望你们在学习生涯中。

麻省理工公开课 - 化学原理课程节选