One often calms one's grief by recounting it.
The challenge is to make the audience forget they're watching a performance.
诗歌这种东西，是天地的核心，是君子的内涵。
任何领域的专业知识都涉及基本技能的自动化，从而释放注意力用于更高层次的性能表现。
Innovation is the key to staying ahead in a competitive market.