为什么学习数学（中英文）
                                          

1.The world is pretty complicated today compared with what it was forty years ago.And it's getting more so all the time.
　　今天的世界与40年前的世界相比复杂多了。而且还会越来越复杂。　　
We have to have more and more specially trained peaple.
　　我们必须拥有越来越多的经过专门训练的人才。　　
We need math t