1. By comparison, trips by sea offer a great variety of civilized comforts.
    相比较而言，海上旅行可提供各种文明的舒适条件。

2. By comparison, relatively little is known about the internal structure of the earth.
    相形之下，对于地球内部结构则了解得较少。

3. By comparison, ferry trips or cruises offer a great variety of civilized comforts.
    相比之下，坐船旅行或环游可以得到文明世界的各种享受。

4. By comparison, nearly half of male high-school students express their preference for a traditional, male-headed, one provider, nuclear family, where the wife stays home as mother and housewife.
    与此相比, 几乎有一半男中学生表达了他们对传统的、以男人为家长的、只有一个人养家糊口的核心家庭的偏爱，在这种家庭里妻子作为母亲和家庭主妇呆在家里。

5. He looks older by comparison.
    比较起来，他显得老些。

6. Let us compare them with adults learning a foreign language, for the comparison is both interesting and instructive.
    让我们来将儿童学习母语与成人学习外语来进行一下比较，因为这种比较不仅很有趣，而且很有教育意义。

7. In comparison with those fruit vendors, you´re lucky; yet they never complain.
    和那些水果贩比起来, 你很幸运, 然而他们从不抱怨.