青年志愿者工作部的主要工作是什么
1 The economy'developing needs young workers.2.The persons who spend more time in working then he(she) has little time to rest and recharge betteries.3.Offer a lavish gift to one.4.The Chinese students have many night classes which needs them studying by themselves.5.The air transportation may cause a lot of greenhouse gases.个人意见，仅供参考
