APP Though people have been always educated to save water, we can see they waste water all the time. For example, sometimes I can see children wash their hands for a long time and when they go away, they always forget to close the faucet. The most common situation I see is in the public toilet that people just walk away after using faucet and they don’t meant to close it. They are wasting wat （共 974 字） [閱讀本文] >>
