永远不要让自尊心妨碍你在需要时寻求帮助。
没有目标的利润最终是不可持续的。
"A book is a journey you can take without leaving your chair."
Agriculture technology is the key to solving food security issues, we must continuously innovate and promote agricultural modernization.
石油化工的未来在于可持续性和高效性。