Tdss
传统的决策支持系统
🗣️ 情景例句
It's a perfect day for a walk.
这可是一个散步的好天气。
Let me see!
让我看看！
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。