dog and pony show

　　为公共关系或推销等目的而安排的缺乏实质内容的“盛大表演”。

　　a presentation that has no substance and is just a shallow demonstration, entertainment, or "show" usually done by a corporation or business to bring attention to itself or one of its products.

　　EXAMPLE:

　　"The new e-commerce company put on a dog and pony show for potential investors."

　　cut and dried 已成定局的

　　in accordance or agreement with a standard formula, exact method, guidelines, or procedure; routine

　　EXAMPLE:

　　During the 19th and early 20th century only males performed in the Peking Opera and the ways to become an actor were cut and dried.

　　cream of the crop 精华

　　the best, very best, or best ever of something--the top choice or pick

　　EXAMPLE:

　　"At the art auction, Van Gogh’s paintings were considered to be the cream of the crop and received the highest bids."

　　business is picking up 生意有了起色

　　business is increasing, getting better after a slow sales period as more orders, products, or services are now being sold

　　EXAMPLE:

　　"After a year of poor sales, the automobile industry is receiving many orders for its new cars, and all the employees are happy to see that business is picking up."