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.
The more we learn about sensory biology, the more we realize how intricate and finely tuned our nervous system is.
Empowerment is about lifting others as you climb.
膨胀宇宙模型为宇宙的起源提供了一个可能的解释。
You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.
