Mutual principles
交换条件
🧩 词语组成解析
n. 原则, 原理, 道义, 节操
🗣️ 情景例句
But how did you know the party was for you?
但是你怎么知道派对是为你举办的呢？
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
People are not so honest as they once were.
人们不再像以前那样诚实了。