Backheel
驴回头
🗣️ 情景例句
I'm in the red again, would you mind lending me some money?
我又 囊中羞涩了，借点钱给我吧。
Patience is bitter, but its fruit is sweet.
忍耐是苦痛的，但它的果实是甜蜜的。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。