So we put one item in the backpack 9 and we've got a value of 9.
所以我们在背包里放一件物品,而它的价值是。
So I think I'm going to buy a new backpack.
所以我在考虑换一个新的双肩包。
I'll compute its value. Then I'll empty the backpack out, put another combination of stuff compute its value, try all possible ways of filling up the backpack, and then when I'm done, I'll know which was the best.
直至把它填满,然后计算价值,然后我把包里的东西都导出来,再换一堆东西计算它们的价值,尝试过所有填满包的方案后,我就知道哪一种方案是最好的了。
I can see a wine bottle in your backpack.
我在你背包里看到一个葡萄酒瓶。
I need a new backpack for my vacation.
我需要为我的假期准备一个新的双肩包。
The backpack is now full, right?
背包现在已经满了,对吧?没有空间了?
Why do I have wine bottles in my backpack?
为什么我背包里会有葡萄酒瓶?
And my old backpack is really small.
而且我的旧包太小了。
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