What's the first Mandarin phrase an edacious foreigner picks up in China?

<p style="text-align:center"><img src="https://imedia-peoplesdaily.pdnews.cn/up/cms/www/201811/081532383kmc.png" title="屏幕快照 2018-05-30 上午9.42.37.png" alt="屏幕快照 2018-05-30 上午9.42.37.png" style="padding: 0px; margin: 0px; list-style: none; border: 0px none; display: inline-block;"/></p><p style="text-align: left;"><span style="color: rgb(127, 127, 127);">Screenshot of the video</span></p><p style="text-align: left;">For most international students in China, learning Mandarin is undoubtedly the first, as well as the most difficult, barrier to conquer. However, for ones with edacious stomachs, they learned their first Chinese from food service employees.</p><p style="text-align: left;">Itmum Momin, a graduate from the New York University Shanghai, said at his commencement ceremony recently that the first phrase he learned here in China is “你的外卖到了”, which means “Your food has arrived”.</p><p style="text-align: left;"><span style="color: rgb(127, 127, 127);">Source: Sina Weibo @Pear Video</span></p><p style="text-align: left;"><span style="color: rgb(127, 127, 127);">(Compiled by Li Lei)</span></p>