Soon after Call and Caroline were married, the Captain said to me, "This is hard for you,isn't it?What is it you really want to do?"
VOA: special.2009.02.14
To use an ancient expression from the 1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.
我和约翰都会同意,70年代的一句话来概括,那就是很难理解编码的内容,以及它想要完成的工作。
When, you know, studies is like getting really hard because it's like midterm time or final time.
每当期中或期末考试来临,功课很难的时候,
First of all, it's really hard to figure out where everything is, where everything goes, making sure I'm in the right place.
第一,很难判断事务的位置,事物的走向,还有确定自己处于正确的位置。
Revenues minus costs makes profits, and again, for those of you who are less familiar with economics, I'm hoping this is not really too hard but you can read up on it.
收入减去成本就是利润,对经济学不太了解的同学,我觉得这个很简单,你们都能听懂吧
This is kind of... it's like, it wasn't really a hard assignment.
这有点……其实倒不是真的很难。
That's an important observation, and as we get to the part of the course we talk about computational complexity, you'll see that what we really care about is not how efficient the program is on easy problems but how efficient it is on hard problems.
我们已经学习了这门课程的一部分了,我们要开始认识到,计算的复杂度这个概念,你会学习到我们在乎的并不是,算法在简单问题上的工作效率,而是解决复杂问题的效率。
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