Well, maybe you'll come for lunch some Sunday,so we can really thank you for bringing Richard's bag back.
既然如此 或许哪个星期天你能来吃中饭让我们好好地感谢你送回Richard的旅行袋。
I simply don't know. He may have plans, but he hasn't yet spoken to me about them.
我一点儿都不知道。他也许有计划,但他还没跟我谈他的想法呢。