original and derivative estates

例句：

1. 1. The original design of the building was never changed.
   这座建筑最初的设计从未改变过。
2. 2. The original manuscripts are still kept in the library.
   原始手稿仍然保存在图书馆里。
3. 3. The original recipe has been lost to time.
   原始食谱已经遗失，无法复原。
4. 1. Derivatives are compounds that can be broken down into simpler molecules.
   衍生物是能够分解成更简单分子的化合物。
5. 2. The derivative market is a rapidly growing sector.
   衍生品市场是一个快速增长的领域。
6. 3. The company's stock price is heavily influenced by its derivatives trading.
   该公司的股票价格受到其衍生品交易的强烈影响。