改变
change/alter/vary/modify
adapt/adjust/convert/evolve/diverge/lower
diversify/diminish/fluctuate/merge/reform
reduce/regenerate/remake/renovate/resolve
revolutionize/shape/shift/substitute/temper
transform/turn/vacillate/revise/customize
不改变
continue/hold/keep/persist/remain/stay/sustain
maintain/retain/reserve/preserve/conserve/fix
保留preserve
守conserve
存reserve
持keep/retain/maintain/sustain
uphold/perpetuate/persevere
persist
怀疑(的)
suspicous/doubtable/dubious/rule out
with hold/skeptical