today i didn't take the umbrella

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not too bad, because when i reached our office, it was just rain. sometimes i know it will rain, but i don't want to take the umbrella, because it is too inconvience and there are too many ways to aviod to be caought in. another reason , if the rain is hard, the umbrella is not more useful than raincoat. i don't know why we need the umbrella when the raining day? why don't some factory to creat a new thing that make us happy, convience and effective to aviod the rain