Many schools use small classes as their trump card in marketing campaigns.
很多学校在做宣传活动时都把小班授课当成他们
。
（最有效谋略）Many schools use small classes as their trump card in marketing campaigns.
很多学校在做宣传活动时都把小班授课当成他们。
This defender’s ability to score vital goals has often proved a trump card.
这名防守队
在关键时刻
分能力常常成了整个队制胜法宝。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
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