One cannot be too careful in guarding Party and state secrets.
保守党和国家的机密，慎之又慎。
《新英汉大辞典》
2
Until I met Sandra at a single weekend party in Catskill in 1972, he was just a little health inspector in New York State.
直到1972年，我在卡茨基尔的一次单身周末聚会上碰到桑德拉，那时他还只是个纽约州的小小卫生督察。
3
Amazon.com, with its network of warehouses, also collects sales tax in every state that charges it, though third-party sellers who use the site don't have to.