图书销售商现在也众包创意，寻找新晋的作者。
Book sellers, too, now crowdsource ideas to find fresh writers.
然而REM睡眠，却是众所皆知的包于谜团中的谜中之谜。
REM sleep, however, is the proverbial riddle wrapped in a mystery inside an enigma.
然而REM睡眠，却是众所皆知的包于谜团中的谜中之谜。
REM sleep, however, is the proverbial riddle wrapped in a mystery inside an enigma.
应用推荐