海洋是各国共同的高速公路。
将社会正义的梦想变为现实并不容易，但也不是不可能的。
The best way to measure how much you've grown isn't by inches or the number of laps you can now run around the track, or even your grade point average - though those things are important, to be sure.It's what you've done with your time, how you've chosen to spend your days, and whom you've touched this year. That, to me, is the greatest measure of success.
有一天我读了一本书，我的整个生活都改变了。
化学是一门研究物质性质及其变化的科学。
The properties of the whole are not deducible from the properties of the parts.