英语语法分析

At the same time, more of this newly discovered oil is of the type that requires a greater investment to refine.

与此同时，在这些新发现的石油中，更多是需要加大投资才能提炼的类型。

Can they refine the idea and resubmit it?

他们能改进一下想法然后重新提交吗？

Instead of trying to refine old formulas, they invent new ones.

他们不是试图改进旧的公式，而是发明新的公式。