Grockit members can study alone or in groups.

会员们可以选择单独学习或小组学习。

youdao

Firstly, if we study alone, we will think about something by ourselves.

首先，如果我们单独学习，有些东西我们就得自己思考。

youdao

And they will study whether it is involving in controlling sleep quantity alone, or also what scientists call the "wakefulness-behavioral drive."

VOA: special.2009.08.26

The study found that climate conditions alone could not explain the amount of tree cover in different areas.

VOA: special.2009.09.01

Sophia is not alone. A recent study by the National Wildlife Federation concludes that although students are increasingly committed to sustainability,universities are not responding in kind.

VOA: standard.2009.12.08

Sargent and his colleagues can't prove from this study alone that movies incite kids to smoke.

CNN: Should smoking trigger an R rating?

For one thing, this study alone will likely cost about a half a BILLION dollars.

FORBES: Will Sanofi & Regeneron Ride ODYSSEY Into Riches?

D, the FDA official who first linked oral bisphosphonates to esophageal cancer in a letter to the editor of the New England Journal of Medicine, says that the new study alone does not put the issue to rest.

CNN: Study: No esophageal cancer risk from bone drugs