a change in quality的用法和樣例：
例句
- Quantitative change is the necessary preparation for qualitative change.
量變是質(zhì)變的必要準備。 - For one can fairly say that ties between the two sides have undergone a sea change in recent years and Taiwan's economic future is now bound closely to the Mainland.
可以說(shuō)在過(guò)去幾年來(lái)，兩岸的關(guān)系已經(jīng)發(fā)生了質(zhì)變，臺灣的經(jīng)濟前途，已經(jīng)和大陸密切相關(guān)。
