The cloud stood humbly in a corner of the sky， The morning crowned it with splendour。
白云谦卑地站在天边，晨光给它披上壮丽的光彩。
"Books can be mirrors, windows, and sliding glass doors."
没有任何一位总统能够忠实地、认真地履行他的职责，还能有闲暇时间。
To write is to give voice to the voiceless.
Models are not crystal balls, but they are the best tools we have to understand the future.
绝不能为了短期利益而牺牲质量。