大量研究表明，在促进非洲经济增长方面，外国援助基本上没起到什么作用——实际上，还有可能延缓了其经济增长。
A vast body of research shows that foreign aid has done little to spur economic growth in africa-and may have actually slowed it down.
垃圾箱基本上没起到作用，使得清洁工人必须整天日日夜夜来回清理垃圾。
Garbagecans are often of little use, making cleaners must rush all day long and also by night to clean the rubbish.
垃圾箱基本上没起到作用，使得清洁工人必须整天日日夜夜来回清理垃圾。
Garbage cans are often of little use, making cleaners must rush all day long and also by night to clean the rubbish.
垃圾箱基本上没起到作用，使得清洁工人必须整天日日夜夜来回清理垃圾。
Garbage cans are often of little use, making cleaners must rush all day long and also by night to clean the rubbish.
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