Scratchback
n. 不求人(搔背用的扒子)
🗣️ 情景例句
You must be hungry by now.
你现在一定饿了。
I didn't think I'd see you here.
没想到会在这碰上你。
but custom, we have a way of thinking, is behaviour at its most commonplace.
至于风俗呢，只是些司空见惯的行为而已。