no valid reason

基本解釋

As long as the session is open and valid there is no reason to run the login process again.
只要會話處于打開狀態(tài)并保持有效，那么就沒有必要重新運行登錄過程。
But the youthful conviction that the world is there any chance to get together again, for no valid reason a person does not appear in another person's life.
但秋水堅信這世上沒有偶然的相逢，一個人不會無端地出現(xiàn)在另一個人的生命里。
chaoliuz.com
But Gallas' agent Pierre Frelot now claims the player had a valid reason for the no-show.
而根據(jù)加拉的經(jīng)紀(jì)人皮爾雷·弗萊洛特表示，他的球員并非無緣無故想要缺席練習(xí)。