Humans, in their wish to escape loneliness, made maneuvers that were very complex and hard to fathom。
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。
可持续发展不仅仅是种树,而是在正确的地方为了正确的理由种植正确的树。