相反，工程师们只是调整，更新，或者检修。

Instead, engineers twiddle, update, and overhaul.

youdao

公司原本通过销售引擎和零部件来获取利润，而现在则通过提供客户长期的检修和保养服务或者称之为“按飞行小时包修合同”。

Profits used to come from selling engines and replacement parts. Now they come from providing long-term repair and maintenance-or "power by the hour".

youdao

举个例子，您可以请志愿者帮您检修一台经常死机的电脑或者不能正常打印的打印机。

For example, you might ask a volunteer to look ata PC that keeps crashing or a printer that sometimes garbles your print jobs.

youdao