现在我可以告诉你，它总是，指向更大的函数值的方向，可能半个小时后就会知道为何了。
But let me just tell you immediately to the side, which side it's pointing to it's always pointing towards higher values of a function OK, and we'll see in that maybe about half an hour.
你为何总是讥笑我的计划？
为何你总是不同意我的想法？
你为何总是讥笑我的计划？它并不像你所说的那样蠢。
Why do you always pour scorn on my plan? It's not all as stupid as you say.
你为何总是讥笑我的计划？它并不像你所说的那样蠢。
Why do you always pour scorn on my plan? It's not all as stupid as you say.
应用推荐