The interplay between local and global phenomena is a recurring theme in number theory.
Battery recycling is a key link in the sustainable development of the new energy industry.
而我就像纸牌搭起的房子脆弱,轻易被攻陷,不顾一切,与我相约在倾盆大雨中,在街边忘情拥吻,带走所有的痛楚,因为我看见,你的微笑如烟花飞舞般灿烂。
瀑布歌道:「当我得到自由时,便有了歌声。」
释义:征服世界易,驾驭内心难。
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.