allowance折让: discounts and allowances允: permit; allow; consent差: send on an errand; dispatch允差: admission; allowable error; franchise公差，允差: tol tolerance; tolerance下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:折让；允差，即可在微信中查询翻译
