Underserved
a. 服务不周到的,服务水平低下的
🗣️ 情景例句
Glad to see you. Good-bye.
很高兴见到你。再见。
Which one is more economical?
哪一个是比较经济的？
There is another good reason for taking a part-time job.
干兼职工作还有一条充分的理由。