脉冲式，指金融资产、经济指标等，在短时间内出现的短暂且剧烈的行情波动。
Dr Greg Leo, an economist at Vanderbilt University in Nashville, Tennessee, has come up with a compatibility algorithm. It finds that not only might you have a "One" you have lots of "Ones".，这一点在体育直播中也有详细论述
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Yes! If you lose an AirPod, you can buy a replacement for the right or left AirPod through Apple. AppleCare+ doesn't cover lost or stolen AirPods, so it will cost you. You can use Apple's Get an Estimate tool to calculate the possible cost. The same applies if you lose the Charging Case. Your replacements will be new versions.