《They sometimes work harder》Life now and then PPT课件2
《They sometimes work harder》Life now and then PPT课件2第3页

wealthy adj.富有的;富裕的 wealthier fear n.担心;害怕 There is fear of doing sth. 害怕做某事 used to v. aux. (用于表示过去真实 或经常性的行为,特别强调 现在不那样了)过去 wealth n. 财富;财产