“春天时，过敏原往往是树，夏天就是草地，秋天就变成杂草了，”他还补充道，整个冬天都待在家里的人也会因为灰尘或者宠物毛屑而感染过敏。

"In the spring, it's trees; the summer, grasses; and fall, weeds." Being stuck indoors all winter also may cause trouble for those allergic to dust and pet dander, he adds.

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我很喜欢夏天，因为我很年轻，我喜欢我的裙子和花边，现在，我还喜欢秋天和夏天，而我喜欢春天和冬天。

I liked summer when I was very young for I loved my skirt with lace. Now, I still like autumn and summer, while I like spring and winter.

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