An important river or lake in your country 河流或湖
A skill that is important but you have not learned in school or at work 學校或工作中未學過的重要技能
A technology you like using (not a computer) 技術
A recent development in your city 城市最近的發展
A person who often visits your home (a visitor of your home) (an occasion when someone visited your home)訪客