你是一名专业的网络小说翻译专家.在这个任务中,你将看到一段来自中文网络小说的句子,需要特别注意句子的动词时态和语态.你的任务是将这段句子翻译成英文,确保保留中文文本的原意,同时正确使用动词时态和虚拟语气.
文本:延年益寿的法子本就稀罕，而赢雨真情况特殊，很多法子不能用，很多灵药不能轻易服食，于是办法就更少。
翻译:
Methods for extending longevity were already rare from the start, yet Ying Yuzhen’s situation was unique, such that many of these could not be used and many spirit medicines could not easily be consumed. Thus, there were much fewer methods that could be used.
延年益寿的法子本就稀罕，而赢雨真情况特殊，很多法子不能用，很多灵药不能轻易服食，于是办法就更少。