當飛機上的燈一下子熄滅時，旅客顯得很緊張，但當機長告訴他們這只不過是一次電氣故障，很快就會修好時，他們才放下心來。The passengers became alarmed when the lights went out on the plane, but the captain put their minds at rest when he told them it was only a minor electrical fault and it would soon be repaired.