你唯一能控制的就是你的努力和态度。
The only thing you can control is your effort and your attitude.
Innovation in leather tanning isn't just about new chemicals; it's about rethinking the entire lifecycle of the material.
解释：以芍药相赠，以文无（一种中药）相招，展现了中药在人际交往中的特殊意义。
成功交易的关键是了解自己。