At a very early age, Milton brooded on his poetic vocation as if it were an actual calling from God.

在很早的时候，弥尔顿就在沉思他的诗歌事业,就像是来自上帝真实的召唤。

耶鲁公开课 - 弥尔顿课程节选

there is an actual reason, why for that specific job, the age is of utmost important.

能够证明就某种特定工作而言，由于特殊的原因，年龄真的至关重要。

退休很神奇 - SpeakingMax英语口语达人