Tobacco kills nearly six million people each year, of whom more than 5 million are users and ex users and more than 600 000 are nonsmokers exposed to second-hand smoke.
烟草每年使近600万人失去生命，其中有500多万人属于烟草使用者和既往使用者，有60多万人属于接触二手烟雾的非吸烟者。
For your homework, do ex. 5 on your exercise books. Do them orally before you write then out.
家庭作业，做练习册的第5题，在写之前先口头做一遍。
Ex. 5 as long as the returns from new stores were higher than its building costs, McDonald's profited in ways that none of its competitors could match.
只要开办新店的收益大于其建设成本，麦当劳就能以任何竞争对手都望尘莫及的方式赚取利润。
应用推荐