Also,darker colors may offer more protection, and natural cotton blocks more than bleached, or whitened cotton.

VOA: special.2010.07.06

The slave trade revolving around tobacco or cotton or coffee or sugar would tend to mix slaves and laborers from different language backgrounds, in part deliberately, so as to avoid the possibility of revolt.

为了获得烟草,棉花,咖啡,或糖块的奴隶交易,会将来自不同语言背景的奴隶,和劳动者们混在一起,这也在某种程度上,谨慎地避免了可能的造反

耶鲁公开课 - 心理学导论课程节选

Or was it more the 1830s when you've got this booming cotton production happening finally in Alabama and Mississippi and Louisiana?

又或者是从18世纪30年代起,当阿拉巴马,密西西比和路易斯安那州,的棉花产量大范围高产时吗

耶鲁公开课 - 美国内战与重建课程节选

You should never put a cotton swab or other object into the ear canal.

VOA: special.2010.03.31