仲裁实行一裁终局原则，任何情况下裁决作出后，当事人就同一纠纷，不能再申请仲裁或向法院起诉。( )

If you just spend time ________ advantages and disadvantages, you may get nothing in the end. [ ]

A. matching  

B. balancing

C. observing  

D. examining