over ·preposition (ABOUT)
Definition: connected with or about Level: C2
为如此琐碎的事情争吵是愚蠢的。
It's stupid arguing ___over something so trivial.
这些队伍自身也饱受资金问题困扰：最近美国篮球队爆发了罢工，起因是球员开始就薪酬问题发生争执。
The teams themselves suffered from these money problems: recently strikes broke out in basketball teams in the U.S. when players began to argue ___over money.
董事会成员就新的环境政策进行了长时间的辩论。
The board members had a lengthy debate ___over the new environmental policy.