I think we should leave the door open. it's boiling in there.
我觉得我们应该把大门敞着,屋里太热了。
Let us imagine a hypothetical case where we disagree.
让我们假设一个我们不同意的状况。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.