理论实践确实是其自身的标准，并且包含明确的协议以验证其产品的质量。

Language is the only homeland that never exiles you.

"The beauty of literature lies in its ability to make the invisible visible, to give voice to the voiceless, and to illuminate the darkest corners of the human soul."

The secondary rules are those that provide for the creation, alteration, and extinction of primary rules.

"The past is always tense, the future perfect."

The most important thing in banking is to make sure that the bank doesn't fail.