Racial discrimination, accompanied by social isolation, intensified some dialectal differences between Black English and Standard English. 種族歧視和隔離政策加劇了黑人英語(yǔ)與美國標準英語(yǔ)之間的差異，也使黑人英語(yǔ)使用者難以融入美國主流社會(huì )。
CPS Case Packing Systems has developed a new case-closer system to close display and standard American cases in one machine by using hotmelt. 郊野公園段裝箱系統已經(jīng)開(kāi)發(fā)出一種新的情況下，更密切的系統，關(guān)閉顯示器和美國標準的情況下在一臺機器用熱熔膠。
