The mind is not a substance but a process.
心灵不是一种物质,而是一个过程。
可持续发展不仅是目标,更是未来商业的必然选择。
Technology in forestry should serve nature, not conquer it.
人在学习上,如果不每天进步就会每天退步。
Beauty is the only thing that time cannot harm.