Sponsors are the financial backbone of sumo stables. Raijin stable's sponsor is the chairman of the board and administrator of a huge hospital, Ueda-sensei. Master Raijin, Inokawa and Tatsunokawa get invited to Ueda-sensei's daughter's wedding, but the two main wrestlers are in Hawaii on a sumo-tour. Master decides to take Matsutaro to the wedding instead, but ... what a dangerous decision for the master to make.
True, that sounded good, 
but it means essentially nothing.
Das ist zwar gesunder Menschenverstand,
aber eigentlich nur eine Binsenweisheit.
No solo es sentido común, 
sino también bastante tópico.
No solo es sentido común, 
sino también bastante tópico.
É senso comum, mas, no fundo, é trivial.