Positivity
n. 确实, 确信, 肯定性
🗣️ 情景例句
Good-bye.
再见。
I do not know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。
A planet would have to be a very long way from it to be capable of supporting life.
那么一颗行星为了维持生命就要离开的它的恒星非常远。