你每花一块钱购买一些实质性的东西，预计在其寿命结束时要支付一块钱的维修、保养或处理费用。
For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.
Innovation is not just about creating something new; it's about solving problems in ways that matter.
I don’t need a reason to be successful.
唱歌是我表达爱的方式。