For fermentation(发酵)to take place you need raw material,or feedstock,as it is known in the biofuels industry. Anything will do as long as it can be broken down into sugars, with the byproduct ideally burnt to produce electricity to run the plant .
【正确答案】：任何东西只要能分解为糖都可以利用。理想的做法是，用其副产品燃烧发电可维持工厂自身的运转。（考点：英语长句的拆译）
