In Ningbo, everyone knows that things in blue rubbish bins can be (回收利用).
我看见Mary正在房间里安静地看书.
明天别忘了带上你的外套.
五月份有31天.
有人担心将来机器人会取代人类.
Some people worry that robots will take the place of humans the .
我们应该在扔掉废物前进行分类.
We should divide the waste into different groups before it .