4번 문장: One scientist has estimated that the sea's plankton generates more than twice as much.
- 이때 plankton이 무엇을 more than twice as much하게 generate하는지 명시되어야 하는게 아닌가요?
8번 문장: Despite such an impressive research background, she also enjoys her work in helping guide young scientists.
- helping guide가 아닌 helping to guide여야 하지 않을까요? 왜 helping guide 가 되는 건가요?
도움 주시면 감사하겠습니다.