For example, we will be able to direct only 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。

youdao

While Iomega has done a good job of building its Zip disk brand over the past several years, it made a critical error when it reduced the prices on the drive and pinned its hopes for a long-term revenue stream on sales of disks.

FORBES: Ten O'Clock Tech: Iomega Breaks From The PC