cover有封面的意思。cover的英语解释是:the stiff outside part of a book or magazine, usually made of thick paper or cardboard,意思是书或杂志外表较硬的部分,通常是用厚纸或纸板制作的。例句1:Who should we
告诉我是否我需要购买外国学生保险。I'd like to know whether basic health insurance coverage should include benefits for outpatient, hospital, surgery and medical expenses.