除了上述的用法,两者还可表示"想必一定,按理应该"的意思。例如:2 c V7 j7 L Y+ H# M
I ought to be able to live on my salary. 靠我的薪水,想必也能维持了。9 d! u& D/ l, f% a; f2 R2 n+ o
It ought to be ready now. 想必现在准备好了吧。% ~) u _+ j& g% `5 V- N
They should be there by now, I think. 现在他们该到那儿了。 6 w: \+ X1 k8 b- a1 [; m; Z The poems should be out in a month at most. 诗集估计最多还有一个月就要出版了。