youdao

Sounds simple enough, but more often than not we move from one experience to the next without any real consciousness, and certainly without a decision to concentrate.

听起来似乎很简单，但事实上，能做到的人不多。一般人之所以不够专注，其注意力从一件事转移到另一事往往都是无意识的行为，当然不会有强令自己专注的自觉意识。

youdao

The earth could certainly not support 10 billion hunter-gatherers, who used much more land per head than modern farm-fed people do.

当然地球无法支持100亿个过狩猎采集生活的人，因为他们人均需要的土地比现代依靠农业养活的人要多得多。

youdao

"So it's certainly not going to be with us in anything less than three years, and I think it's more likely that we're in a five to ten year time frame."

VOA: standard.2010.07.21

Everyone knows that none of the bad outcomes Mr. Obama threatens will occur, certainly not for more than a short period of time.

FORBES: Deficit Deception: Diverting our Focus from the Issues

So it's also part of the cycle but certainly weaker and not likely to last more than a year or so now, I suspect.

NPR: Britons React to Bush-Blair Summit

This will cause a shortage of bacon in the future and if not an excess then certainly more grain than otherwise that can be eaten by humans.

FORBES: Newsflash: Op/Ed Writer Clueless