It can be taken 2 ways: at the first sign of a cold symptom, or before entering crowded environments, like airplanes, offices and schools.
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Dazed residents poured into the streets, and offices and schools were closed.
茫然的住民涌上街道,办公室和学校均已封闭。
EF has over 27,000 employees, teachers and volunteers, with offices and schools in over 50 countries.
我们在全球有着27,000多名老师和员工,并在50多个国家和地区设有办公室。
More than 15,000 people had to leave their homes as hundreds of flights were cancelled and offices and schools shut.
超过1.5万人离开家园,几百个航班取消,各部门停止办公,学校停课。
So do their parents. This happens when there is so much snow that schools and even offices and stores are closed.
VOA: special.2010.03.28
The art was placed in schools, libraries,museums,post offices and government offices around the country.
VOA: special.2009.03.23
People say them in schools, offices and factories.
VOA: special.2010.06.27
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