An Wei， secretary of the Communist Party of China Zhengzhou committee， called for all officials in the city to master the use ...

Students interact with a robot dog at a middle school in Meishan, Sichuan province, on Monday, the first day of their new ...

但在公开解释这一利润增长时，亚马逊并未披露全部情况。这种信息的模糊处理使得这样一个问题悬而未决：亚马逊通过一项颇具争议的商业手段——提高数百万独立卖家的费用（这些卖家对于丰富其购物平台的线上货架至关重要）——究竟赚取了多少利润。

Please explain “for lack of a better word” in this quote: “Greed, for lack of a better word, is good.” “Greed is good” is ...