For example, we will be able to directonly critical error messages to the log file (to save disk space), while still being able to print all of the log messages on the console.
例如，我们可以仅指示存储致命错误消息到日志文件(存储到硬盘)，然而仍然可以在控制台打印所有消息。
2
Onlydirect speech should go inside inverted commas.
只有直接引语应放在引号内。
《牛津词典》
3
The sample application displays only one level of folders, that is, onlydirect children for the specified path are displayed.