The trouble with shopping for clothes online is that you never know if that dynamite blouse will look as good on you as it does on the skinny model.

在网上买衣服常遇到这样的问题：你永远都不知道那件漂亮迷人的罩衫穿在自己身上的效果是否和穿在瘦瘦的模特身上一样好看。

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Ronay says the problem for airports these days is that you can no longer just look for obvious things like timers and sticks of dynamite.

NPR: It's Hard to Spot a Liquid Threat to Airline Safety