Technology can amplify great teaching, but it cannot replace poor teaching.
技术可以放大优秀教学的效果,但无法替代糟糕的教学。
I don't feel like I have to please anyone. I feel free. I feel like I'm an adult. I'm grown. I can do what I want. I can say what I want. I can retire if I want. That's why I've worked hard.
一个测量可用的常识:手臂伸直两测指尖的距离就是你的身高。