形势似乎已经成熟，足以进行一次重大的政策转变。

The situation seems ___ripe ___for a significant policy shift.

现在正是投资新技术的成熟时机。

The time is ___ripe ___for investing in new technology.

他成功的时机已经成熟。

The time was ___ripe ___for his success.