"Organic agriculture in general is well suited to small-scale farmers because usually small-scale farmers do not have much cash to purchase external inputs, chemical inputs,pesticides, or chemical fertilizers."

VOA: standard.2010.04.11

Antibiotics are chemicals, usually small organic molecules that will kill micro-organisms like bacteria.

抗生素是一类化学物质,它们通常是小分子有机物,能够杀死细菌这样的微生物

耶鲁公开课 - 生物医学工程探索课程节选

You don't want to just ignore it, but in cases like that, it's usually a small fraction of the total.

你不能直接把它忽略掉,但在像这样的情形下，它一般是。

麻省理工公开课 - 热力学与动力学课程节选

Usually,white publishers paid only a small amount of money for full ownership of music written by African-Americans.

VOA: special.2010.01.24

It usually first grows in a mole, a small dark area of skin.

VOA: special.2010.07.06

Ladakh,situated more than 11,000 feet above sea level, is a high altitude desert where rainfall is usually very small.

VOA: standard.2010.08.06

He says the brutal attacks are usually carried out by small bands of LRA guerillas who loot the towns and leave little in their wake.

VOA: standard.2009.08.27