update readme.zh-CN from readme#250
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trekhleb merged 3 commits intotrekhleb:masterfrom Dec 9, 2018
henrycjchen:master
Merged
update readme.zh-CN from readme#250trekhleb merged 3 commits intotrekhleb:masterfrom henrycjchen:master
trekhleb merged 3 commits intotrekhleb:masterfrom
henrycjchen:master