But it's kind of small also. We must've bought the wrong size.
但它也有点小了。我们一定买错了尺寸。
We never know the worth (or value) of water till the well is dry.
井枯方知水可贵。
and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,