商务会议要结束了，该怎么给这个会议做一个圆满的结束语呢，来看下面的句型：I'm afraid our time is up. Let's call it a day.时间到了。我们今天到此为止。We have to close today's discussion now.今天讨论到此结束。Let's stop here. We'll go on with the talk this afternoon.我们到此结束。下午再接着讨论。Let's discuss it in more detail tomorrow.我们明天再详细讨论