But according to the principles of evolution, groups that have a relative advantage tend to grow until that advantage disappears.

但根据进化法则，有相关优势的组群会发展至优势消失。

She might, perhaps, have gained an absolute, but she would certainly have lost a relative advantage.

或许，她可能获得了绝对优势，但肯定会失去相对优势。

Moreover, Mr. Craig was a man of sober passions, and was already in his tenth year of hesitation as to the relative advantages of matrimony and bachelorhood.

此外，克雷格先生是一个感情冷静的人，对于婚姻和单身的相对优势已经犹豫了十年。

It is not, therefore, useless to compare the two principles that we may understand their relative advantages, and perceive the dangers of liberty and the conditions of its fruitfulness.

因此，比较这两个原则并非毫无用处，我们可以了解它们的相对优势，并了解自由的危险及其成果的条件。