Activity vector
[计] 活动向量
🧩 词语组成解析
🗣️ 情景例句
It's his first venture into business.
他初涉商界。
Lend your money and lose your friend.
赔了夫人又折兵。
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。