it went without saying that the appliance went on at the start of a show,then off again at the end.求翻译

it went without saying that the appliance went on at the start of a show,then off again at the end.求翻译
it went without saying that the appliance went on at the start of a show,then off again at the end.
求翻译

it went without saying that the appliance went on at the start of a show,then off again at the end.求翻译
装置在表演开始时启动,在表演结束时关闭,这根本是不用说的事嘛

不言而喻/显然,该设备在表演开始时打开，然后在最后再次被关闭.。