随着冠状病毒改变工作生活 商务旅行的未来不明朗

confident – adj. certain that something will happen or that something is true

disinfectant – adj. a chemical substance that is used to kill harmful germs and bacteria; a substance that disinfects something

quarantine – n. the period of time during which a person or animal that has a disease or that might have a disease is kept away from others to prevent the disease from spreading

regional – adj. of, relating to, or characteristic of a certain geographic area

teleconferencing – n. the use of telephones and video equipment to have a meeting with people who are in different places

tourism – n. the activity of traveling to a place for pleasure

volume – n. an amount of something