If lgA levels suddenly fall below a certainlevel, training is eased or dropped altogether.
如果 lgA 指数突然下降到某一水平以下，训练就会降低难度或完全取消。
2
When the water reaches a certainlevel, it moves a lever and this shows the hours.
水位达到一定高度时，水将推动一个控制杆，从而显示时间。
3
Indeed, the researchers found that face-to-face interactions and conversations affect the creative process, and yet a coworking space or a coffee shop provides a certainlevel of noise while also providing freedom from interruptions.