There are three reasons for the changes that have taken place in our life．Firstly，people’s living standard has been greatly improved．Secondly，most people are well paid.
Hi,everyone！it is important for us to have a low―carbon life. I always remember to turn off all the lights before i go out .after i use the water ,I never forget to turn off the tap .
有字数限制，写不开啊，你把邮箱给我吧，我发给你~不过要加分哦，是我自己写的~
no smoking
smoking is quite a bad behavior for you and anyone around you.in many occident country it's already being forbidden strictly in public occasion .
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