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
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
I'm hoping to spend a few days in the mountains.
我正在希望到在山上过一些天。
One day, Mrs. King asked Lucy to go shopping for her.
一天，金太太叫露西帮她去买东西。