Although marketing letters and direct mail are important, they cannot stand alone.
基于1个网页-相关网页
they cannot stand alone
他们不能孤立无援
以上为机器翻译结果，长、整句建议使用 人工翻译 。
These clauses and phrases do not include the subject and verb of the sentence, and they cannot stand alone as complete sentences.
这些从属分句和短语不包含句子主语和谓语，不能单独组成句子。
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They will be stand-alone units, which mean staff, equipment and beds cannot be seconded by other hospital departments.
BBC: Cutting the waits
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