The phrase "a key choice" is correct and usable in written English.
It can be used to emphasize the importance of a particular decision or selection in a given context.
Example: "Choosing the right marketing strategy is a key choice that can determine the success of the campaign."
Alternatives: "a crucial decision" or "an important selection".
Here, Mr Nakagawa's appointment is a key choice because of his support for tax cuts and fiscal expansion.
Millar's selection was no surprise given that he has represented Great Britain at several world road race championships and was a key choice in the team that backed Cavendish en route to winning the world title in 2011.
However, these two plans deserve closer analysis given they represent a key choice that Livni will face if she succeeds in defeating Binyamin Netanyahu for the premiership in February: whether to persist with Israel's traditional bilateralism in dealing with the Arab World, or adopt a more multilateral approach.
A key choice for British defence policy is how far it should plan to fight alongside the American behemoth, and how far to work with the European midgets.A strategy paper to be published next week by Geoff Hoon, the defence minister, will suggest an answer and perhaps help to restore the Pentagon's faith in British loyalty, shaken by the row over the EU's defence plans (see article).
A key choice is the selection of algorithm(s) for classification and/or retrieval of the climate variable.
A key choice in running topic modelling algorithms is the number of distinct topics that are expected to be covered by the document corpus.
A third key choice revolves around the distinction between a 'target group' approach versus a 'population approach' that sees the improvement of the psychosocial skills of all children (those with and without mental health problems).
Use of your cell phone number can be a good security key choice, as these numbers are not listed in any directory, etc. Save the settings.
Each key choice yields a sequence of random permutations of periodicity.
The party leadership, in turn, was faced with a key strategic choice: would it use the congress mainly to celebrate its new-found unity and recent rise in the polls, or would it seek to seriously challenge its own troops and raise uncomfortable questions about the party's programmatic renewal?
