你諗返起計算開支嘅方程式 就會發現之前嗰啲關注質素嘅人 雖然冇將開支擺喺首位 但佢哋嘅使費都係最低
If you think back to the equation that calculates expenses, you will find that those who paid attention to quality did not put expenses in the first place, but they also had the lowest expenses