The improvement for lacking experience or knowledge should be able to achieved through studies and practice.

经验，知识的不足可以通过学习，实践来提高。

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The reason is that hedonism overlooks the value of real friendship, knowledge, freedom, and achievements, all of which are lacking for deluded people on the experience machine.

原因是享乐主义忽视了真正的友谊，知识，自由的价值和成绩，所有这些都是机器上的经验缺乏迷惑人。

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Although most of his colleagues like him, they think he is too interested in marketing theory and lacking in practical knowledge and experience.

尽管他的同事们大都很喜欢他，但他们认为他太专注于营销理论而缺乏实践知识和经验。

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