The phrase "alternative requires" is correct and usable in written English.
It can be used when discussing the necessity of choosing or implementing an alternative option in a given situation.
Example: "In this case, the alternative requires a more thorough analysis of the data before making a decision."
Alternatives: "option necessitates" or "substitute demands".
This alternative requires neither war nor putting our faith in tools that have already failed us.
A genuine governing alternative requires Labour to demonstrate courage and radicalism.
The alternative requires the development of a wholly new narrative, the admission that the other side might have a point.
The A-level alternative requires candidates to study six subject areas over two years; an extended essay and extra-curricular activity is also compulsory.
The alternative requires you to "add up" the polls from individual states, as well to estimate what share of the national turnout each state will represent.
This simpler traditional route is even more attractive if the alternative requires a more complex path in both engineering and financial terms.
The alternative requiring fewest beds would mean 10,000 more GPs and a near doubling of district nurses and home helps.
Plenty of MPs predict a no-deal crash-out would be apocalyptically awful, but others have concluded that any alternative requiring a long delay would be even worse.
What if we replaced this approach with a simple alternative – require every gun owner to qualify for and maintain liability insurance?
Using this alternative required as a condition that the investment bank's holding company's consent to group-wide supervision by the Commission.
However, the composite alternative required 13 days less construction time, resulting in substantial cost savings from traffic closing in the very busy traffic corridor.
