我只是想改变世界,一次一颗亮片地改变。
The key to credible causal inference is not just the method, but how well the method fits the question at hand.
解析:教导学生,不到他想弄明白而不得的时候,不去开导他;不到他想出来却说不出来的时候,不去启发他。
Passion is the secret ingredient in every successful bakery.