According to a recent online survey by Extrawhite, a maker of chewing gum, a quarter of the people in China never smile or smile less than five times a day.
益达口香糖公司近日开展的一项在线调查显示,四分之一的中国人从不微笑,或每天微笑不到5次。
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"The figures were bigger than we had initially expected, " said a spokeswoman for detergent maker Lion Corp, which conducted the survey. "It's partially because many Japanese care about cleanliness.