板块构造理论的美妙之处在于，它用如此简单的理论解释了如此多的现象。
Security is sleeping in the back seat of the car...When you're a little kid, and you've ben somewhere with your Mom and Dad, and it's night, and you're riding home in the car, you can sleep in the back seat...You don't have to worry about anything...Your Mom and Dad are in the front seat, and they do all the worrying...But it doesn't last! Suddenly, you're grown up, and it can never be that way again!
Precision agriculture isn't about replacing farmers; it's about empowering them.
解释：人参是补气效果最好的药材，三七则是补血效果最佳的药材，体现了中药的特效。
China's semiconductor industry should have confidence but also be清醒 aware of the gaps.