The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.

I'm just a kid trying to make a difference.

"Books are like a mirror. If an ass looks in, you can't expect an angel to look out."

技术是我们行业未来的基石。

You put together two people who have not been put together before; and sometimes the world is changed, sometimes not. They may crash and burn, or they may set off a spark that will light the world.

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。

城市林业证明自然与城市可以共同繁荣。