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.
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箭牌的口香糖系列包括劲浪,绿箭,益达,黄箭,大大和箭牌的咖啡口香糖以及白箭品牌。
Wrigley's gum line is made up of its Cool Air, Doublemint, Extra, Juicy Fruit, TaTa and Wrigley's Coffee and Spearmint brands.