Dear Experts,
It is easy to select (B) because there is "such firms" un non-underlined portion. However, I don't understand the meaning of "required of firms" in choice (B). What is the meaning of the enormous research and development expenditures required of firms to survive... ?
It is easy to select (B) because there is "such firms" un non-underlined portion. However, I don't understand the meaning of "required of firms" in choice (B). What is the meaning of the enormous research and development expenditures required of firms to survive... ?
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