Vaild obligation
[法] 有效的债权
🧩 词语组成解析
[法] 有效的, 经过正当手续的, 正当的
🗣️ 情景例句
You'll need to hurry up, or you'll miss the train.
你得快点，否则赶不上火车。
A wonder lasts but nine days.
新鲜事儿不久长。
It's about 400 yards from here.
离这儿大约有400码。