user-friendly system

基本解释

People who believe that OpenBSD isn't a user-friendly operating system are largely misinformed.
那些認爲 OpenBSD 不是用戶友好的操作系統的人，大部分是受到了誤導。
What makes the NEW SteriPEN JourneyLCD different is its ability to communicate through an LCD screen, making this the most user-friendly system available today.
其最突出特點之一就是首創安裝液晶顯示屏，便於用戶的使用。
The user-friendly calling system had been tried in 2088 county-level security bureaus and 294 city-level bureaus as of last December, the Beijing News reported.
截至去年12月，全國已經有2088個縣市級公安部門和294個地市級公安部門實現“三台郃一”。
www.chinadaily.com.cn

Even the most ardent supporters of Social Security would surely be dismayed by this complexity, which was developed over the years, presumably by Congressional staffers, looking to do good, but, apparently, with not the slightest concern about making the system minimally user-friendly.
FORBES: Thomas Jefferson Is Rolling in His Grave -- A Rant on Social Security's Complexity
Okay, okay, we're making good use of sarcastic italics, but we do have a point: we take such things for granted to the point where it might not have occurred to naysayers that just being able to minimize a window could make an operating system more user-friendly.
ENGADGET: Chrome OS review (version 19)
Navigating the system also proves easy thanks to Samsung's user-friendly SmartView video management software.
ENGADGET: Samsung Techwin announces two new HD CCTV systems for the security conscious resolution snob