concentration是什么意思？

Japanese listeners sometimes closed their eyes to enhance concentration.

"Looking at studies that tested concentration, the number of studies showing a benefit was exactly the same as the number that found no benefit," she says.

And no studies found that eating breakfast was bad for concentration.

Breakfast is also associated with improved brain function, including concentration and language use.

But after about 10 minutes my mind begins to wander and I lose concentration.

However, one of the review's researchers, Mary Beth Spitznagel, says there is "reasonable" evidence breakfast does improve concentration—there just needs to be more research.

The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active.

It seems clear that the concentration of research and commercialisation work creates differences between universities

concentration of resources in a limited number of universities.

Japanese listeners sometimes closed their eyes to enhance concentration.

Many of us, like Schwartz, struggle to stay focused on tasks that require more concentration than it takes to post a status update.