Step two: data is copied from the kernel buffer into the user buffer, and the read system call returns. The return from the call caused a context switch from kernel back to user mode.

步骤二：数据从内核空间缓冲区复制到用户空间缓冲区，之后系统调用read返回，这导致了从内核空间向用户空间的上下文切换。

youdao

All user actions are handled by servlets that call the appropriate methods on the corresponding session beans, then call the appropriate JSP pages to return the results of the action to the user.

所有的用户行为都由servlet处理，它先调用相应的会话bean的适当方法，然后调用适当的JS p页面向用户返回行为结果。

youdao

In order to switch a user on a trusted connection, the application must first call xa_end (TM_SUCCESS) and specify the new user ID and optional password by calling SQLSetConnectAttr.

为了切换一个受信任连接上的用户，应用程序必须首先调用xa_end (TM_SUCCESS)，并通过调用SQLSetConnectAttr指定新的用户ID和可选的密码。

youdao

-- Else if n is greater than 4 and n is less than 6 -- 7 let's call it medium -- else if n is greater than or equal to 7, -- less than or equal to 10 -- let's call it "big" -- and if the user typed in zero or negative 10 or 20 or whatever, let's just use the all-inclusive else block and just say, "You picked an invalid number."

否则如果n大于4，并且n小于-,我们叫它为中间数--否则如果n大于等于，小于等于10--我们叫它为“大数“,如果用户键入了0或者-10或20或其它的，让我们用一个广泛的else子句，只需要说，“你选了一个非法的数字“

哈佛公开课 - 计算机科学课程节选

That, of course, opens up the user to the possibilities Jobs mentioned -- call it Android's wild, and potentially dangerous, jungle outside of Apple's aforementioned garden.

CNN: Doug Gross,

It comes printed with the names of up to eight people the user chooses - just press the name and the call is made.

BBC: In search of simple phones

Reportedly, Vonage's F1000 series will typically cut off its user in mid-call if they happen to, for instance, walk out of a hot-spot enabled branch of Starbucks.

FORBES: Magazine Article