some和any的区别及用法would like

　　例句：

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

　　虽然出现过一些问题，但这基本上仍不失为一个好系统。

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

　　这项研究有一些明显的实际用途。

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

　　有些人身在福中不知福。