M: Well, I don't want a racer or a touring bike or anything. Mostly I'll just be using it to get me back and forth from work.
M:我不想要赛车或是山地车什么的,我只是想买一辆能骑着来回上班的就得了。
Sorry, you can't take the typewriter away, I 'm using it.
对不起,你不能把打字机拿走,我在用。
The fourth idea is turning off the shower when I 'm not using it.
第四个想法是关掉淋浴时,我不使用它。
But don't worry about it, it's not, I'm just using it because it's a simpler example than the one I really want to get to, which is knapsack.
但是别担心,我讲这些是因为它比我,真正想讲的问题简单一些,我想讲的是背包问题。
And I'm going to do it only using multiplication and addition and some simple tests. All right?
我只能用乘法和加法,以及一些小测试来解决这个问题?
If I'm now working in one dimension, it's obvious because I'm not using any vectors.
假设我现在只考虑一维的情形,这很明显,因为我没有用矢量
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