我们可以雇用额外员工——那是一个选项。

We could take on extra staff - that's one ___possibility.

在决定之前，我仍在仔细考虑每一个选项。

I'm still considering each ___possibility carefully before deciding.

另一个选项是去伦敦交通博物馆，它很近并且对学生免费。

Another ___possibility is to go to the London Transport Museum, which is very close and free for students.