我们二十人不能只沏一份 ( 如茶 ).We'll need more than one brew ( eg of tea ) for twenty people.睡觉前4小时别喝含有咖啡因的饮料, 如茶 、 咖啡 、 可乐及巧克力.Avoid caffeinated drinks, such as tea, coffee, cola and chocolate, four hours before bed.人生如茶, 有淡淡的...