Since 1990 total employment has actually fallen, though that figure disguises some wild fluctuations.

自1990年以来，就业总人数实际上已经下降了，尽管表中数字掩盖了一些剧烈的波动。

However, a major difference is that Libra will be a more stable currency and will avoid the wild fluctuations in value that Bitcoin has experienced.

但一个主要的区别是Libra将成为一种更加稳定的货币并且将避免和比特币一样的币值大波动。

YON FISHMAN: We find that chords, musical chords that are typically judged to be dissonant, elicit these wild fluctuations in brain activity.

YON FISHMAN：我们发现和弦，通常被认为是不和谐的音乐和弦，会引起大脑活动的剧烈波动。