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
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
I'm flying home on Sunday afternoon.
我星期四下午乘飞机回家。
to discover whether they are mentally ill more often than other people are.
看一看他们是否比其他人更易患精神病。