Cbot
[经] 芝加哥期货交易委员会
🗣️ 情景例句
Where?
在哪？
There are many training classed and night classes.
有许多培训班与夜校。
The day after, Patrick went to the house once more and asked exactly the same question.
第三天，帕特里克又去了，提出了同前两天完全一样的问题。