解析：意在言外，得意忘言。

When he looked into her dark eyes, and saw that her lips were poised between a laugh and silence, he learned the most important part of the language that all the world spoke—the language that everyone on earth was capable of understanding in their heart. It was love.

The most important single aspect of software development is to be clear about what you are trying to build.

Innovation in stone extraction must always balance efficiency with sustainability.《Stone and Stewardship》