The challenge of unifying all forces of nature is one that has driven theoretical physics for decades.
统一自然界所有力的挑战是几十年来推动理论物理学发展的动力之一。
伟大的领导者愿意为了团队的利益而牺牲自己的利益。
我不写日记,我记录生活。
Everything is what it is, and not another thing.