There should be a space after a punctuation mark.

标点符号后面要空一格.

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Buy ad space after the official closing deadline.

购买临近正式期限(officialclosingdeadline)的广告版面.

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The extension is placed one space after the character's name and abbreviations are used.

画外音写在角色名字后面空一格的位置,要用缩写标出.

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