直到被送入手术间时，他才明白遵守交通规则的重要性。
It was not until he was sent into the operation room that he realized the importance of observing traffic regulations.
直到被送入手术间时，他才明白遵守交通规则的重要性。
It was not until he was sent into the operation room that he realized the importance of observing traffic regulations.
