How often should you wash your hair? Dermatologists say there\'s no rule of thumb. Your shampoo frequency depends on your hair type. A dermatologist is a skin doctor. The expression "rule of thumb" me ...

大马力车不容易驾驭导致交通事故频发？有人建议限制大马力车上路，这事你怎么看？【参考资料】[1]Goodspress：1990年代、日本車が目指した最高出力「280馬力」を振り返る[2]response：280馬力規制ついに撤廃…“行政指導”の裏事情を ...

本期Part 2 话题 学校/工作中的重要规则Describe a rule that is important in your school or at workYou should say:What the rule is aboutWhat happens when people break the ruleWhy you think it is an important ruleAnd e ...