We take for granted that major services like YouTube and Netflix will operate out of regional data centers.
我们理所当然地认为 YouTube 和 Netflix 等主要服务将在区域数据中心之外运营。
纽约时报 (New York Times)
The government temporarily blocked major social media and messaging services, including Facebook and WhatsApp, to prevent the spread of misinformation online, according to the president's secretary, Udaya Seneviratne.
A tune-up (also known as a major service) is regular maintenance performed on an automobile, or more generally, any internal combustion engine. Most automobile manufacturers recommend a tune-up be performed at an interval of 30,000 miles (48,000 km) or two years, whichever comes first.