This script shown in Listing 4 has no error checking and is not very robust, but it illustrates our point.

该脚本如清单4所示，它没有任何错误检查机制，也不是非常稳定，但是它足以满足我们的演示需要。

youdao

The telephone poll's margin of error is plus or minus 4%.

此次电话民调的误差幅度约为正负4%。

youdao

Also, if you double-click on the error message, the COBOL program that is located in the mainframe is edited and an indication of the line in error will be shown (Figure 4).

另外，如果双击错误消息，则可编辑位于大型机中的COBOL程序并显示错误行(图4)。

youdao

The sampling error varied from question to question, but none had a margin of error exceeding 4.5 percentage points.

CNN: Poll: U.S. can win war, but won't

The poll -- taken between October 19 and 22 -- has a margin of error of 4 percentage points.

CNN: Partial early ballots: Dem voters outnumber GOP

Instead I get an error (4-20 Forbes, I think) or am redirected to the 2013 list instead of the prior year list.

FORBES: Mapping The Wealth Of The World's Billionaires