拯救犀牛的唯一方法是拯救它所生活的環(huán)境，因為它與數(shù)百萬其他動植物物種之間存在相互依賴關(guān)系。
The development of formal systems has revolutionized our understanding of mathematics.
邊界？我從未見過。但我聽說它們存在于某些人的腦海中。
"The only way to get rid of a temptation is to yield to it."
我不喜歡債務(wù)。負債累累的公司風(fēng)險更大。
The light constantly changes, and that alters the atmosphere and beauty of things every minute.