| 单词 | trade on sth | 
| 释义 | ● ˈtrade on sth (disapproving ) to use sth to your own advantage , especially in an unfair way (为私利不公正地)利用SYN exploit◆ They trade on people's insecurity to sell them insurance . 他们利用人们的不安全感向他们推销保险。See also trade | 
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