These are my new shoes. They're good shoes. They won't make you rich like me, they won't make you rebound like me, they definitely won't make you handsome like me. They'll only make you have shoes like me. That's it.

适合从事任何特定行业的人，如果没有行业内人士的友好帮助和合作，就无法理解该行业的科学。

解析：用功在于为善之心真切。