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Meaning of “back sth up” in the English Dictionary

"back sth up" in British English

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back sth up

phrasal verb with back uk   /bæk/  us   /bæk/ verb

back (sth) up

phrasal verb with back uk   /bæk/  us   /bæk/ verb
to ​drivebackwards
(Definition of back sth up from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"back sth up" in Business English

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back sth up

phrasal verb with back uk   us   /bæk/ verb [T]
IT to make an ​extracopy of a ​computerfile, etc.: Don't forget to back up your ​files at least once a week. Research ​data and ​accountinformation were ​backed up ​daily.
(Definition of back sth up from the Cambridge Business English Dictionary © Cambridge University Press)
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“back sth up” in British English

    There, their and they’re – which one should you use?
    There, their and they’re – which one should you use?
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    April 27, 2016
    by Liz Walter If you are a learner of English and you are confused about the words there, their and they’re, let me reassure you: many, many people with English as their first language share your problem! You only have to take a look at the ‘comments’ sections on the website of, for example, a popular

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