commercial show造句

• Up to that time , brother chen s work had mainly entailed constructing furniture and commercial show windows . he thus had no clue as to how to turn this small diagram into a physical object thousands of times larger in size . racking his brain for days , he repeatedly consulted sister li and the brother in charge of the project , but still had no idea about where to begin
  他平日钉制的尽是家用橱柜商品展示柜之类，如今要如何把这小小的平面设计图，化成几万倍的实体，他终日费尽心力绞尽脑汁，一再地和李师姊及负责的师兄沟通，可是仍是迷雾一团。