1.precaution 預防措施
例句:But it added that it had quarantined the batch used at the school as a precaution.
但是它補充說,作為預防它隔離了曾在學校使用的這批疫苗 。
2.common sense 常識
例句:You would think that making these reforms would be a matter of common sense.
你可能認為做出這樣的改革是個常識性的問題 。
adj. 泰然自若的,從容的;被控制的 v. 包含;遏制