有些人很幸运从来没有生病，但我们大多数人都去看看医生 检查和治疗偶尔。医生鼓励市民经常有完整的身
English language has become an international lan
Many people dream to live a healthy life. But so
Today more snack bars than ever before can be se
Chinese food is very famous around the world, if
When weekends come, everyone is happy about that
你新买的电脑出了问题，为此你写信给经理投诉。 You have bought a brand-n
Since the computer comes into being, it develops
