Building the dam would not be a simple matter.
VOA: special.2009.08.12
It's not a simple matter. Imagine what it would be like if you had to learn about sixty such things?
绝不是个简单的事,想象一下如果你得学,六十个字母会是什么状况
Let's assume that we know that this thing is going to be paid, so it's a matter of simple time.
我们假设这份承诺会被兑现,这只是时间的问题
This is a matter of simple algebra, of taking this and putting it here.
本质上讲,这是简单的代数运算,把这个式子代入上面的式子
But a lot of the inventions that matter to us are extremely simple.
但是很多发生在我们身边的发明,都是极其简单的。
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