Because the supplemental members face the pressure of reelection every three years, they are extremely diligent about their duties, but most the senior members, owing to their age, have inevitably declined in their powers of activity.
增額立委有三年改選的壓力，問政不遺餘力，而資深立委年事已高，難免大多活動力減弱，國會改選以強化議事功能的呼聲日起。