例句與造句

1. The firm has a " zero waste " environment policy and has used water-based boards, inks and coatings with packet windows made from 100 % cornstarch instead of the normal oil-based inks and a plastic film since its founding in 2001, so as to make the packet totally biodegradable.
2. It's difficult to find packet window in a sentence. 用packet window造句挺難的