J-4：just the job/thing 正是想要的东西
A:Mum, did you see the books Iborrowed from Angela?
A:妈妈，你见过我从安吉拉那儿借来的书吗？
B:Yeah. I put them on the top of the cupboard.
B:我把它们放到壁柜的最顶层了。
A:Mum, I can't reach the books, Could you please do me a favor?
A:妈妈，我够不着书，帮帮我，好吗？
B:I can't reach them, either. We need a ladder.
B:我也够不着，我们需要一个梯子。
A:Here's a ladder.
A:这有个梯子。
B:Just the thing. We'll use that.
B:正是我们需要的，我们来用吧！
