立竿见影是什么意思
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“立竿见影”，汉语成语，意思是在阳光下竖起竹竿，立刻就看到了竹竿的影子（erect/set up a pole and see its shadow）。比喻行事能马上看到效果或付出能马上得到收获。可以翻译为“produce an immediate effect，get instant/quick results”。
例句：
这些投资者觉得收益必须立竿见影。
These investors feel the need to make quick profits.
电视广告宣传活动对他的销售额的影响立竿见影。The television campaign gave his sales an immediate fillip.
Editor:Jade
来源：chinadaily.com.cn
