Supposing that now you are at the airport, then you can directly take the blue bus to

Supposing that now you are at the airport, then you can directly take the blue bus to

Supposing that now you are at the airport, then you can directly take the blue bus to
如果你现在在机场，那么你可以直接乘蓝色的公共汽车去。。。。。
又如：
Supposing that you come into a lot of money, what would you do then?
假设你得到许多钱，然后你会怎么办？

Supposing that放置句首做假设性的引导状语，表示假如、如果什么什么。。。

与此同样的用法还有Assuming that，如：
Assuming that the universe is peppered with these planets.
假定宇宙中布满了这些行星。
Assuming that you are right, we'll make a great deal of money from the project.
假定你是正确的，那我们将会从这项工程中赚得许多钱。

是的