It keeps them healthy and helps them grow better. Public health groups have opposed the practice because bacteria continually exposed to antibiotics will eventually develop resistance to them.

VOA: standard.2010.07.21

and what is a good practice to do is help develop your ideas of the things - set your intentions,

这个练习会帮助你发展思维——确定你的打算。

英语写作：技巧 - SpeakingMax英语口语达人