如果一个社会中的大部分成员贫穷而悲惨,那么这个社会就谈不上繁荣幸福。
Innovation in cement production must balance efficiency with environmental responsibility.
每当心情郁闷的时候,用手托腮就好,手臂会因为帮上忙而开心的。
"The more that you read, the more things you will know. The more that you learn, the more places you'll go."