Going back further, I find it really interesting that most of my CS teachers would never even bother writing tests.

再向前追溯到更早一些，很多教我的计算机老师几乎也从来没有编写过测试代码。

youdao

Going back further in time, the last case of a pope resigning dates back a further five centuries.

BBC: How does a Pope resign from office?

Going back further, the 1976 Super Bowl featured a Xerox ad that set a template for future insouciance and cleverness.

ENGADGET: Editorial: BlackBerry slumps into history of Super Bowl tech ads

Going back further, revenue dropped 2.5% in the second quarter, 3.8% in the first quarter and 12.8% in the fourth quarter of the last fiscal year.

FORBES: Earnings Preview: Apartment Investment And Management - Forbes