Ecofactor
生态因素
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Fire proves gold, adversity proves men.
烈火显真金，逆境识英雄。
We're not treated as equal citizens.
我们没有被当作平等公民对待。