Prayers will be offered by Joseph Lowery, a well-known civil rights leader from Atlanta, and by Rick Warren.

VOA: special.2009.01.19

So, it's well-known and that can be exploited by people selling investments.

所以,众所周知,投资产品销售员可以充分利用这个原理

耶鲁公开课 - 金融市场课程节选

In the time it takes for one cell division to occur, it could be that this cell entraps a different chemical composition of the cytoplasm then this entraps, and that's a well known concept.

当一个细胞分裂发生期间,很可能这个细胞截留了一种不同的,细胞质化学组分,这种非对称分裂是一个广为人知的概念

耶鲁公开课 - 生物医学工程探索课程节选

Tanya Pinto says you do not have to be wealthy or well known to help others.

VOA: special.2009.08.10

"The scheme to radically change the sources and the cost of American energy, through a system known as 'cap and trade' may be well intentioned, but it will cost us dearly in jobs and income, and it stands no chance of achieving its objective of a cooler earth,".

VOA: standard.2009.05.30