例句與造句

1. running physical stores costs money . do these stores signal any larger change in how dell manages costs
   經(jīng)營(yíng)具體的店面需要花費(fèi)。這些店面（的產(chǎn)生）能否是關(guān)于戴爾管理費(fèi)用重大改變的信號(hào)呢？
2. It's difficult to find stored signal in a sentence. 用stored signal造句挺難的