左：早期四喇叭系统，日期和国籍不明。

Left: an early four-horn system, date and nationality unknown.

youdao

如果是喇叭系统，要达到类似的表现水平，代价要10倍于此。

To get a similar level of performance from speakers would cost 10 times as much.

youdao

在此之前的现场演出，与戏剧、歌剧和音乐剧一样，声音输出都会被喇叭系统在场地中的位置所限制。

During live performances, like plays, operas and musicals, sound output as heretofore been largely hindered by whatever speaker system happens to be in place at the venue.

youdao