Contractual obligation
[经] 合同(契约)责任, 合同义务
🧩 词语组成解析
a. 契约的\\n[经] 契约的, 契约性的
🗣️ 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
I'm sorry to hear that.
听到这个消息我感到遗憾。
However, rescue operations are proving difficult.
然而，事实证明营救工作非常困难。