例句與造句

1. They had recently installed their lightpen system in a supermarket for stocktaking purpose .
   他們最近在超級(jí)市場(chǎng)安裝了用于盤點(diǎn)庫(kù)存的光筆系統(tǒng)。
2. It's difficult to find lightpen in a sentence. 用lightpen造句挺難的