yǎnchū / kāishǐ / qián / dēngguāng / yīnxiǎng / hé / zìmù / xìtǒng / dōu / yǐ / jiùxù

演出开始前，灯光、音响和字幕系统都已就绪。

Before the performance began, the lighting, sound, and subtitle systems were all ready.