suǒfēiyà kāiwán huì zǒujìn diàntī, cái fāxiàn zìjǐ yīzhí biēzhe yīkǒuqì

索菲亚开完会走进电梯，才发现自己一直憋着一口气。

Only after Sophia got into the elevator after the meeting did she realize she had been holding her breath.