这是个复杂系统，但肯定有所改进。

It is a complex system, but it certainly makes a change.

《柯林斯英汉双解大词典》

在一般情况下，离婚已经够复杂了，但这一次情况更糟。

Divorce is complicated enough in normal circumstances , but this situation is even worse.

《牛津词典》

这个问题乍一看似乎很复杂，但其实很容易解决。

This problem seemed to be complex in the first instance, but it could be easily solved.

youdao

Clearly, it's evil in all sorts of ways. This is the fallen institution established by the fallen angels -- but it's more complicated than that.

很明显，它在各方面都很邪恶，这些是由堕落天使建立,的堕落机构，但还要更复杂。

耶鲁公开课 - 弥尔顿课程节选

And Chomsky's argument is complicated and interesting, but the main sort of argument he had to make is goes like this.

乔姆斯基的论据很复杂，也很有意思，但他所提出的主要论据是这样的。

耶鲁公开课 - 心理学导论课程节选

Now you might say, wait a minute. Thing's ordered, if I stop part way through and I throw away half the list, doesn't that help me? And the answer is yes, but it doesn't change the complexity.

如果我在半路上停下来,然后不去遍历剩下的数组了,这会有帮助么？答案是有帮助，但这没法改变算法的复杂度，因为我们之前怎么说来着？

麻省理工公开课 - 计算机科学及编程导论课程节选