Subject: Better safe than sorry.
迷你对话
A: I disagree with my professor on the recent stock. But is I say it out, he may let me fail in the exam.
我不同意教授对近期股票的看法，但是我说出来，他可能不会让我通过这次考试。
B: Better safe than sorry.
最好不要冒险去。
