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    permanent

    US /ˈpɚmənənt/

    UK /'pɜ:mənənt/

    • Adjective
    • Lasting forever; not temporary or changing
    • Intended to last or remain for an unlimited period
    • Noun
    • A person who is a permanent employee.
    • A chemical treatment to create lasting curls or waves in the hair.
    B1TOEIC
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    infrastructure

    US /ˈɪnfrəˌstrʌktʃɚ/

    UK /'ɪnfrəstrʌktʃə(r)/

    • Uncountable Noun
    • Basic necessary equipment for a country or region
    • The underlying framework or system of an organization.
    instance

    US /ˈɪnstəns/

    UK /'ɪnstəns/

    • Noun (Countable/Uncountable)
    • An example of something; case
    • An occurrence of something.
    • Transitive Verb
    • To give as an example of something else
    A2TOEIC
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    sustainable

    US /səˈsteɪnəbl/

    UK /səˈsteɪnəbl/

    • Adjective
    • Capable of continuing for a long time
    • Able to be maintained without running out of
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