乳杆菌能否在制氢中发挥作用，还要进一步研究。
Whether it plays an role in the hydrogen-producting, it remains more study.
还要记下对你的目的很重要的事实，以及任何能引导你进一步研究的东西。
Note also the facts important for your purpose as well as anything which leads you to further research.
研究人员警告，他们的研究结果可能只适用于美国大学生，而且对于人们究竟为什么写博客还要做进一步的研究。
The researchers cautioned their findings may only be applicable to college students in America and called on future research to look at why people blog.
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