muramasa的《TED-12个最宝贵的人生经验》成绩 - 打字成绩 - 在线打字练习（dazi.91xjr.com）

My seven-year-old grandson sleeps just down the hall from me, and he wakes up a lot of mornings and he says, "You know, this could be the best day ever." And other times, in the middle of the night,...