我使用的材料是时间的见证。
The materials I use are witnesses of time.
The importance of theoretical computer science lies in its ability to provide a foundation for practical applications.
我只是一个音乐人，我想创作让人感觉良好的音乐。
"In the silence of a scene, the truth of a character is often revealed."
粮仓充实，民众就能知道礼节；衣食充足，民众就能知道耻辱。