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