Work would be one important element contributing to his self-sufficiency.
工作是帮助杰克实现自立的重要因素。
In short, I believe self-confidence to be the most important factor in success.
简言之，我认为自信是成功最重要的因素。
This would seem to be a self-evident statement, but it's important to note.
这是不言自明的，但仍需要特别说明一下…
This would seem to be a self-evident statement, but it's important to note.
这是不言自明的，但仍需要特别说明一下…
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