In other words, throwbacks are possible, but only to the relatively recent evolutionary past.

换句话说，倒退是可能的，但只可能发生在相对较近的进化史上。

Not only are evolutionary throwbacks possible, they sometimes play an important role in the forward march of evolution.

进化返祖现象不仅有可能，有时还在进化的发展中扮演重要的角色。

In some ways these groups look like throwbacks to old-fashioned Western conglomerates such as ITT.

就某些方面来说，这些集团看上去类似于itt那样的旧式西方综合性大型企业。

However, while the new retellings may seem subversive, they're actually throwbacks, marking a return to what these tales originally were.

这些经典翻拍似乎在颠覆原著；但事实上，它们又回归到了故事的本来面目。