She came here from China by way of England.她从中国途经英格兰来到了这里。

She said that many people are finding ways to improve their diets, and she mentioned her own family by way of example. [=as an example; in order to give an example]她说许多人在寻找改善饮食的方法，然后她提到自己家人作为例证。

This vase is slightly discolored. By way of comparison [=in order to make a comparison], examine the vase on the left.这个花瓶有点褪色，查看左边的花瓶做一下对比。