If It is really for an viewers in the US, go with "coloration," and when It really is with the UK or very similar areas, use "colour." 若遇國定假日、農曆春節、連續假期、天災事變或其他不可控之因素，提醒您自行再多預留物流配送所需工作天。 身為艱困產業的工廠，維繫老師傅們的工作生計，是最首要目標，我們秉持「儒商精神」，誠信為本、殷勤實在、以客為尊，持續創新進步，感謝給予服務之機會。 ALI KH... http://wiki.wonikrobotics.com/AllegroHandWiki/index.php/Special:AWCforum/st/id17333