Mainterance
维持,维护,保养
🗣️ 情景例句
But it's not going to be easy.
不过这事可不容易。
Let me think it over,and I'll let you know later.
让我考虑一下，回头再告诉你吧。
and so they gradually acquire a value beyond their true worth.
因此这些东西慢慢获得了一种超出它本身的价值。