Those complex parts can cost tens of thousands of dollars.

这些复杂的部件可能要花费数万美元。

What is the most complex part of the human body?

什么是人体最复杂的部分？

But for an industry that has so many complex parts and systems, it won't be easy.

但对于一个拥有如此多复杂部件和系统的行业来说， 这并不容易。

So let's assume that we want to make a new video now, similarly complex -- 130 moving parts.

那么让我们假设我们现在想要制作一个新视频，同样复杂——有 130 个移动部分。

I've shared some really great grammar lessons to help you understand and to practise some of the more complex parts of the English language.

我分享了一些非常好的语法课程，以帮助大家理解和练习英语中一些更复杂的部分。

Also blocked, tax experts and accountants, who lose a deduction, but seem certain to gain a lot more business this complex part of the law alone.

同样受阻的还有税务专家和会计师，他们失去了扣除，但似乎肯定会仅凭法律这一复杂部分就可以获得更多业务。

I think it was a great way to understand what is such a complex part of the financial system - is how are banks actually viewing their lending activity?

我认为这是了解金融体系如此复杂的部分的好方法——银行实际上如何看待他们的贷款活动？