项目最困难的部分 — 从三个源抽取数据并组合成典型工具可以使用的格式 — 现在已经完成，其实并不是很难。
The most difficult part of the project—pulling data from three sources and combining it into a format that typical tools can use—is now finished, and it wasn't so difficult.
很多事情就像是旅行一样，当你做出决定并迈出第一步的时候，最困难的那部分其实就已经完成了。
A lot of things are like traveling, and when you make a decision and take the first step, the most difficult part is already done.
当你做出决定并迈出第一步的时候，最困难的那部分其实就已经完成了。
When you make a decision and take the first step, when in fact the most difficult part has been completed.
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