binary license的用法和样例：
例句
- Few secrets can escape an investigator, who has opportunity and license to undertake such a quest, and skill to follow it up.
像他这样一个得到机会和特许来从事这种探索，而且又有技巧将其进行下去的调查人，很少有秘密能逃过他的眼睛。 - An old ordinance declares goatees illegal unless you first pay a special license fee for the privilege of wearing one in public.
一项旧法令宣告山羊胡子是违法的，除非你先缴纳一笔特许费，取得公开留山羊胡子的特权。
