保护公民自由是民主社会的基石。

Protecting ___civil liberties is the cornerstone of a democratic society.

政府应该保护公民的基本自由，如言论自由和集会自由。

The government should protect ___civil liberties such as freedom of speech and assembly.

政府必须平衡国家安全和公民自由之间的关系。

The government must balance national security with the protection of ___civil liberties.