你最不满意的客户是你最大的学习来源。
Your most unhappy customers are your greatest source of learning.
Consumer trust is hard to earn and easy to lose. We must protect it every single day.
To speak is to risk, but to be silent is to risk more.
希望は、どんな困難の中にも見つけられる。
死亡可能是人类最伟大的福气。