当然了，你需要生存，但不是凄惨地生存。
You need to survive, of course, but you probably don't want to be miserable as you survive.
在饥饿的食人鱼，你需要生存，只要尽可能高的分数。
In Hungry Piranha you need to survive as long as possible to achieve high scores.
正确学习数学的方法是广度优先，而非深度优先。你需要生存在空间里，学习事物的名字，区分出什么是什么。
The right way to learn math is breadth-first, not depth-first. You need to survey the space, learn the names of things, figure out what's what.
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