This ploy permitted comparison between species in which weights have different meanings .
这项工作允许在体重意义不同的物种之间进行比较。
The absence of any of these four factors should be a red flag that the so-called report could really be a pump and dump marketing ploy .
这四个因素少了哪一项都应该是危险信号：所谓的研究报告可能真的是一个拉高出货的市场计谋。
In that moment it was clear that my ploy to turn this man into a mole had been undone , but in retrospect a broader point was made and one that is vital in the wikileaks era .
