the selection rate of toolA toolB and toolC are 10%, 20% and 30%, respectively
standard of living (wealth, community ...)
quality of life (attitude, relationship, ...)
range from A to B to C
has yet to be estabalished (not done but need to do)
efforts are underway (things are happening ...) to do
one approach / solution
pose risk on ...
what are you up to
double-edged sword
: something that has or can have both favorable and unfavorable consequences