a matter of time

A Matter of Time is a 1976 American/Italian musical fantasy film directed by Vincente Minnelli. The screenplay by John Gay is based on the novel Film of Memory by Maurice Druon.

1. It's only a matter of time before they find out the truth.
   他们发现真相只是时间问题。
2. With her talent, it's just a matter of time before she becomes famous.
   凭她的才华，她成名只是迟早的事。