例句：

　　1、There have been some problems but basically it's a good system.

　　雖然出現(xiàn)過一些問題，但這基本上仍不失為一個好系統(tǒng)。

　　2、There are some obvious practical applications of the research.

　　這項(xiàng)研究有一些明顯的實(shí)際用途。

　　3、Some people don't know when they're well off.

　　有些人身在福中不知福。