在扔掉废物前进行分类是必要的.
It's necessary to divide the waste into different kinds before we it .
小孩子必须远离垃圾食品.
Kids must junk food.
他们已经采取行动挽救野生动物了吗?
Have they to save wild animals yet?
这个新产品是用来快速加热食物的.
This new product heating food quickly.
昨天你为什么缺席会议了?
Why were you the meeting yesterday?
经理亲自为顾客解决了这个问题.
The manager solved the problem for the customer .
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