The product is at the design stage.

　　產品處于設計階段。

　　She stepped gracefully onto the stage.

　　她步態優雅地走上舞臺。

　　I didn't have a good view of the stage.

　　我看不清舞臺。

　　The stage was lit by bright spotlights.

　　舞臺上有明亮的聚光燈照亮著。

　　He left the stage to prolonged applause.

　　他在經久不息的掌聲中退下了舞臺。