Scedasticity
离中趋势; 方差性
🗣️ 情景例句
I've seen a lot of people wearing runners lately. I guess they're back in fashion.
最近我看到很多人穿上了披肩，我看是不是披肩又流行起来了？
How much is the rent for a month?
每月租金多少？
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。