"most important one for" is grammatically correct and can be used in written English.
It is typically used to introduce a reason or justification for something. Example: "The ability to effectively communicate is the most important one for success in any profession."
But, while legacy costs help explain why American automakers are decidedly unattractive as investments, they're only one reason — and not the most important one — for the automakers' current struggles.
The most important one for bonds is the real yield — yield on the bond minus the current inflation rate.
On Earth, the northern polar jet stream is the most important one for aviation and weather forecasting, as it is much stronger and at a much lower altitude than the subtropical jet streams and also covers many countries in the Northern Hemisphere, while the southern polar jet stream mostly circles Antarctica and sometimes the southern tip of South America.
Nice one New Labour's report card Bus pass ReprintsBut the OECD is less comforting on the issue that opinion polls now show is the most important one for voters—health.
The last game of the season is always the most important one for the amateur skipper.
The sunlit route to making vitamin D is the most important one for most people.
During my first visit with him, he informed me that he had picked out a few of the most important ones for me to take home: papers on topics like microgeneration, "super-efficient" building practices, and data-center design were arranged in stacks that covered nearly the entire surface of a large dining-room table.
The topics of our discussion are among the most important ones for participant protection in the field of genetic research on mental health, and, as we saw with the example of BD, highly relevant because of a direct correlation between participant autonomy, the uncertainties surrounding the causes of such mental health conditions and the cognitive capacity of the targeted population.
Various kinds of dependence relations are discussed in the Madhyamaka literature; the most important ones for our purposes are mereological dependence (the dependence of a composite object on its parts), causal dependence (the dependence of an effect on its cause) and conceptual dependence (the dependence of an object on the conceptualizing mind).
These projects might seem obscure given the many pressing problems of a city of 10 million people, but they address the two most important ones for average people: traffic and flooding.
Four markers (RGS1, RM15206, RMw513 and Indel1) tightly linked to GS3, gw5, and qGL7-2 were the most important ones for grain shapes.
