By tradition, she had to use her husband's surname Kojima on their marriage certificate, which means she must also use it on any other legal documents.

按照传统，她在结婚证书上必须使用丈夫的姓氏——小岛，这意味着她同样也得在其它法律文件上使用这个姓氏。

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A visa notification issued by the authorized Chinese unit or proof of kinship, e. g. marriage certificate, birth certificate, etc, is required for the accompanying family members. ;

来华工作人员的随任家属，须提供中方被授权单位的签证通知函电和证明亲属关系的文件（如结婚证、出生证等）原件和复印件，但无需提供就业批准文件。

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A legal marriage must be based on a legal marriage certificate other than proof by anyone else.

法定婚姻，必须以结婚证件作为婚姻的法律证据，不是由别人来证明的。

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