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    crucial

    US /ˈkruʃəl/

    UK /'kru:ʃl/

    • Adjective
    • Extremely important or necessary
    • Of great importance to the success of something.
    severe

    US /səˈvɪr/

    UK /sɪ'vɪə(r)/

    • Adjective
    • Very bad; harsh
    • (Of clothes, etc.) plain; simple; not decorated
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    effective

    US /ɪˈfɛktɪv/

    UK /ɪˈfektɪv/

    • Adjective
    • Working efficiently to produce a desired result
    • In operation; in force.
    A1TOEIC
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    expect

    US /ɪkˈspɛkt/

    UK /ɪk'spekt/

    • Verb (Transitive/Intransitive)
    • To believe something is probably going to happen
    • To anticipate or believe that something will happen or someone will arrive.
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