Say there is a mosquito-net maker in small-town Africa. Say he employs 10 people who together manufacture 500 nets a week.
据说在非洲的一个小镇有个蚊帐制造商，雇佣了10名工人，可以每周生产500个蚊帐。
Say there is a mosquito-net maker in small-town Africa. Say he employs 10 people who together manufacture 500 nets a week.
据说在非洲的一个小镇有个蚊帐制造商，雇佣了10名工人，可以每周生产500个蚊帐。
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