Type all papers double-spaced (not single-or one-and-a-half spaced), and leae 1 space after colons, commas, and after periods at the end of sentences.是什么意思_Type all papers double-spaced (not single-or one-and-a-half spaced), and leae 1 space after colons, commas, and after periods at the end of sentences.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句