Cost of activities
[经] 活动成本
🧩 词语组成解析
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. （activity复数形式）活动；活动区；活动性
🗣️ 情景例句
But I haven't finished telling you
但我还没有对你说完
I think it's about time we got going.
我想差不多是该告辞的时候了。
Good afternoon.I believe that this is house is for sale.
下午好。我想这房子是要出售的吧！