mechanics of banking

例句：

1. 1. The mechanics of the machine are complex and require special skills to operate.
   这台机器的工作原理复杂，需要特殊技能才能操作。
2. 2. He was a skilled mechanic who could fix any car that came into his shop.
   他是一个技艺高超的机械师，任何来到他店里的车都能修好。
3. 3. The mechanics of modern cars are much more sophisticated than those of the past.
   现代汽车的机械结构比过去复杂得多。