be dependent on依靠,依赖
例句：The country is dependent on foreign aid.
这个国家靠外援生存。
at the mercy of任…摆布, 在…前毫无办法
例句：She was at the mercy of her cruel husband.
她任凭残酷的丈夫摆布。
2. It’s estimated seven out of 10 Africans make their living in farming.
make one’s living谋生
例句：He worried about how to m
