习语 a leopard can’t change its spots是指江山易改，本性难移，形容人们要改掉坏习惯不是那么容易，即使他们佯装会改。当的士业界威胁要罢驶五天，除非政府取缔Uber这类叫车服务，司机的不诚实又再一次展现。真是可笑。的士司机需要问自己，为何即使Uber车资更昂贵，它在香港仍是这么受欢迎。Uber司机有礼，车辆整洁，容易预约，也不会像的士那样拒绝短途车程。

美国总统唐纳德‧特朗普任命伊隆‧马斯克，成为一个组织的领军，去削减政府开支，这一决定带来了极多的诉讼（plethora of ...

See? “By” originally means “bye” or byway. That’s why, in fact, some people still spell “by the by” as “by the bye”. By the way, “that is by the by or bye” in this sense (secondary) is an idiom that ...