This country is so awful.—I know, I know.这个国家太糟糕了。——的确是, 的确是。

It's a long way.—Yes, I know.这很远。——是的, 我有同感。

There are trains straight from Cambridge.—I know, but it's no quicker.有直接从剑桥开出的列车。——我知道, 但也不快。

That shirt's a real bargain.—I know, but it's too small.那件衬衫的确很便宜。——我知道, 但是太小了。