That goes without saying这句话的意思

那是不言而喻的.
附：
go without saying
vi.不言而喻(理所当然,自不待言)
例句:
It goes without saying that we shall be glad if we all can pass the examination.
不用说,如果我们都能通过考试,我们将会高兴的.
Go without saying,animals cannot live without water.
不用说,动物没有水是无法生存的.