1·Otherwise, if the count is greater than 1, the custom event handler needs to concatenate the multiple context data elements together.
否则，如果计数大于1，那么定制的事件处理器需要将多个上下文数据元素连接在一起。
2·Often, you need to concatenate a variable between two strings.
通常，您需要在两个字符串之间连接一个变量。
3·To see trends, concatenate log files and run a processing script on the combined output.
要查看趋势，连接日志文件并在合并的输出上运行后处理程序脚本。
4·An implementation of this pattern may simply concatenate the individual source messages or may incorporate some more sophisticated set of data mapping capabilities.
此模式的实现可以直接连接各个源消息，或包含一些更为复杂的数据映射功能。
5·To concatenate multiple String literals, use the + operator.
可以使用+操作符连接多个字符串字面值。