when (it) comes to saving energy,a big changes stwhen it comes to_英语解答

when (it) comes to saving energy,a big changes st
when it comes to saving energy,a big changes start with small steps,like turning off the lights.为什么括号里用it不用that或别的?

人气：165 ℃　时间：2020-09-09 18:17:35

解答

when it comes to xxxxx 这是个句型,平时可以记住也这样用；它是用it来指代任何xxx
表示意思为当谈到xxx,说到xxx
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