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clawhammer
- Master | Next Rank: 500 Posts
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Can anyone tell me the difference and use of "required of" vs "required by"? Are they same?
Because of the enormous research and development expenditures required to survive in the electronics industry, an industry marked by rapid innovation and volatile demand, such firms tend to be very large.
(A) to survive
(B) of firms to survive
(C) for surviving
(D) for survival
(E) for firms' survival
- Is "required for" wrong? What's wrong with E ?
Because of the enormous research and development expenditures required to survive in the electronics industry, an industry marked by rapid innovation and volatile demand, such firms tend to be very large.
(A) to survive
(B) of firms to survive
(C) for surviving
(D) for survival
(E) for firms' survival
- Is "required for" wrong? What's wrong with E ?
