think of 想想，想起

造句：

I always think of you as one of the family.

我一直把你當成自家人。

We think of you as one of the family.

我們把你看作家中的一員。

And again, we must think of the cost.

再說，我們必須考慮成本。

Come to think of it, he did mention seeing you.

想起來了，他確實提到看見過你。