Management efficiency
[经] 经营效率
🧩 词语组成解析
🗣️ 情景例句
please don't complain
你可别再抱怨
If you're not happy, say it!
不高兴就说啊！
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。