Shafir and Mullainathan gave batteries of 【 a large number of STH, esp the same type 】 tests to Indian sugar farmers.

沙飞儿与穆雷风给蔗糖农场的印地安农民做了一系列测试。

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In fact the discretion of the gasoline label just that gasoline octane number, can never put the label and dramatically and quality confuse STH with STH else.

其实汽油标号的高低只是表示汽油辛烷值的大小，绝不能把标号与纯净度和质量混为一谈。

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