If you are planning to run this routine in a production environment, consider running it during a maintenance window or when the system is under a light load.
若计划在一个生产环境内运行此例程，可以考虑在维护窗口期间或是当系统处于轻负载的情况下运行它。
2
Like most pretty things, they are a little high-maintenance and a bit picky: they like light, but only north-facing; they hate draughts; and they only like soft water.
"These slats require virtually no maintenance over their lifespan and present a stark contrast to the light-bathed interior of the house," said the architects.