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???????????300??????(?)
??????9???????????????
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GIF-????!?????????????
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??2?????????0.4%
???????????????1?3?
???100?????3???????
??-????????????1-0?????
????:3???????????????
????????????????high?
????:????????10?20?8
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??-????????????1-0?????
??!????????4-0?????!
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2017????????????10?????
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