Constant value
[经] 不变价值
🧩 词语组成解析
🗣️ 情景例句
He is working like a horse.
他努力工作。
Button holes are very hard to sew.
要缝钮扣洞非常难。
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。