Working late in the empty office, Mark thought he saw a shadow move near the copier.

馬克在空蕩蕩的辦公室加班到很晚，以為看到影印機旁有個幻影在移動。

The night guard reported a shadow in the warehouse, but the cameras showed nothing there.

夜班警衛回報倉庫裡有幻影，但監視器畫面上什麼也沒有。

Exhausted after the long flight, she kept seeing shadows in the dim hotel hallway.

長途飛行後她累壞了，在昏暗的飯店走廊裡一直看到幻影。