1.In the most violent countries, cutting the murder rate by 10% could boost income growth per head by up to 1% a year, the bank reckons.
世界银行估计，在那些犯罪暴力最为猖獗的国家，若降低10%的谋杀犯罪率，就能提高人均年收入高达1%。
2.Better nutrition is important, of course. But the aim of the project is to boost income, investment and economic persification.
当然，更好的营养是很总要的，但是这项工程的目标是增加收入、投资以及经济多样化。