shop window  
noun [ C ] uk/ˌʃɒp ˈwɪn.dəʊ/ us/ˌʃɑːp ˈwɪn.doʊ/
  (WINDOW)      
  商店橱窗
a large window at the front of a shop, where certain goods are arranged to be seen from outside
  He happened to notice a Japanese print in a shop window. 他碰巧注意到商店橱窗里有一幅日本印制画。 
 The shop windows were decorated with silver and gold tinsel and baubles. 商店的橱窗上装饰着银色、金色的金属箔和小玩意儿。 
 - More examples
 - Everything in the shop windows appeared to be for the very young.
 - I see a book in a shop window whose title holds me for a moment.
 - The rioters smashed shop windows and damaged police vehicles.
 
  (OPPORTUNITY)      
 UK(尤指运动员或演员)展示才能的机会 
a situation in which someone has the opportunity to show how good they are, especially in order to be bought by a sports team, get a part in a film, etc.
  Horror movies are rarely shop windows for their stars' abilities. 恐怖片很少能给明星展示才能的机会。 
 He's had a good season and he's put himself in the shop window for the summer. 他本赛季表现不错,为夏季选秀充分展示了自己的才能。 
 - More examples
 - The bigger the game, the bigger the shop window.
 - He is keen to put himself in the shop window before the end of the season so he can be involved in a new club with their pre-season preparations.
 - The racing driver said, "This is fantastic shop window for me. I need people to see me and think I'm a bit special so they will want me in their car next year."