Old projects exist as well (and this is OK) as it allows for developers to also learn how to maintain legacy systems.

老项目的存在(这个也很有帮助)，因为它可以让程序员学会如何维护遗留系统。

youdao

PI : We did and still do have ISU seminars where they explain the most recent rules and changes to old rules, as well as what to look for while judging.

PI：我们以前就有国际滑联研讨会的传统，现在也有。 在研讨会上，国际滑联会解释最新规则和他们与老规则之间的变化，也会告诉大家在评判的时候需要关注哪些问题。

youdao

At the same time, some developers have even done quite well building applications over plain old HTTP.

与此同时，一些开发人员在通过老式HTTP构建应用程序方面做得相当好。

youdao

But the thirty-four year old actor has taken on an important role in real life as well.

VOA: special.2009.05.08

That is--maybe this goes back to the -I didn't mention it, but it would apply to the old goldsmith banker story as well.

这也许又要回溯到...,我在前面没有提过,金匠银行家的故事同样适合解说这个问题

耶鲁公开课 - 金融市场课程节选

Old TVs can contain over a kilogram of lead as well as cadmium -- both highly poisonous.

VOA: special.2010.11.01

The prime candidate for slaughter, say buyers, is a 10-12-year-old well-muscled quarter horse.

ECONOMIST: From plain to plate

That latest nugget of intelligence may have slipped from the duchess' mouth as she chatted to Sandra Cook, a 67-year-old royal well-wisher Catherine met while on a trip to the town of Grimsby on Tuesday.

CNN: Does royal gender slip give palace the baby blues?

Skrzynski implied that Kevorkian was only concerned about killing Youk to advance his political agenda, not about the 52-year-old's well-being.

CNN: Kevorkian Case: Kevorkian found guilty