我們海洋的健康直接影響我們社區(qū)和經(jīng)濟的健康。
拓撲絕緣體的美在于它們的魯棒性；它們的表面態(tài)受到保護，不受無序和缺陷的影響。
"Books are the ultimate Dumpees: put them down and they’ll wait for you forever; pay attention to them and they always love you back."