19.任何成功的賺錢商品及商業模式都會引來一窩蜂的模仿。
(A) Given the success of any lucrative products and business models, it is no surprise that there will be a wave of clones.
(B) Profitable products and successful business formats will expressly curb the enthusiasm of a flock of copycats.
(C) Gainful products and thriving commercial models will have to revoke their proprietorships for a pack of counterfeiters.
(D) It is expected that products and commercial prototypes that are money spinners will surely repel a troop of pirates.