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"as above" mark
書類の住所欄に仝と書いた。
I wrote the 'ditto' mark in the address field of the document.
仝は昔の公文書でよく使われていた記号だ。
The 'ditto' mark is a symbol that was often used in old official documents.
この欄が上と同じなら仝と記入してください。
If this field is the same as above, please write the 'ditto' mark.