Unless you can find a mentor this means learning from observation.

除非你能找到一位导师，这意味着通过观察来学习。

youdao

Mark: "Well... we plan to assign a developer to each contractor as a buddy/mentor to reduce the learning curve on our product and coding standards.

Mark：“嗯...我们计划为每个承包人分配一个开发人员，作为伙伴或顾问以减少对我们的产品和编码标准的学习曲线。

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White's book is a powerful learning tool that will act like a mentor, teaching you the tricks of the trade in an easily broken-down format so you can take action.

怀特的书便是一个强大的学习工具，它就像是一位导师，用易于分解的方式，教你学会电子邮件营销的各种技巧，以便于你采取行动。

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Some of the different roles may range from content expert to learning facilitator and from mentor or motivator to caseworker, as well as roles like content creator or assessment professional.

FORBES: Why Digital Learning Will Liberate Teachers

My second mentor helped me see the importance of learning the different CMSs (Content Management Systems) used in my industry.

WHITEHOUSE: The Power to Program

Turns out woman behind Morano Gelato (Morgan Morano, naturally) grew up here in Hanover before moving to Italy for six years, during which time she worked in gelaterias, learning the trade mostly from a Sicilian gelato chef who became her mentor.

FORBES: The Best Gelato in America?