比如电商平台京东2010年第一次在光棍节举行促销活动。
Ecommerce platforms like JD had their first major Singles Day sales in 2010.
参加图书馆或其他地方举行的二手书本促销活动，低价可以买到一些很好的书。
Attend used book sales at libraries and other places where good books can be had inexpensively.
2006年10月14日，重庆直辖市，高档住宅区内为业主举行的汽车促销活动上，一个男孩看着车模展示梅赛德斯—奔驰 R350 汽车。
A boy looks on as models pose with a Mercedes-Benz R350 car during a promotion for property owners in a wealthy residential district on Oct. 14, 2006, in Chongqing municipality.
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