I think we should go back to first principles.
我认为我们应该回到基本原则上。
I always think of you as one of the family.
我一直把你当成自家人。
He'd like more time to think things over.
他希望有更多的时间把情况考虑周详。
Their family has always been well thought of around here.
他们家在这一带一直颇受敬重。
And again, we must think of the cost.
再说，我们必须考虑成本。