option theory的用法和樣例：
例句
- Real option theory states that you shouldn't naively take the first option with a positive net present value.
實物期權理論認為，不應天真地選擇第一個凈現值為正的方案。 - Moreover, the option pricing theory is applied to the analysis of decision making of sequential investment including information cost.
給出了信息成本的分類和計量方法，利用期權理論與方法對有信息成本的序列投資決策進行了分析。
