You should have already gone through and understood Part 1 and Part 2 of this series.
您应当已经查阅并理解了本系列的第1部分和第2部分。
2
Since no errors occurred, you look at the schema again and discover that Developer 1's changes are gone.
因为没有错误产生，所以您要再一次查看方案并发现开发人员 1 的更改已经过去了。
3
The budget office report tells us that essentially all of the upward redistribution of income away from the bottom 80 percent has gone to the highest-income 1 percent of Americans.