欢迎访问贝贝英语网！
People become quite illogical when they try to
decide what can be eaten and what cannot be
eaten.
当涉及到或谈及到叙述客观事实的时候
it comes to sth …………when…
it comes to doing sth ……when…
eg. 家长们在决定孩子学什么不学什么时，变得不合情理。
Parents become quite illogical when they try to decide what children can learn and what they can’t nowadays.
He never complains when it comes to helping his wife with the house work.
for instance = for example
Take sth. For instance
say, let’s say打个比方
at 介词，表示当......就......；一......就......
at the idea of 一想到
at the sight of 一看到
at the mention of 一提到
at the news of 一听到......消息
at the touth of 一触摸到......东西
at the sound of 一听到......声音
