The apps' creators used a software development kit from a Chinese advertising company called Youmi, which allowed the developers to put ads in their apps. That's kosher.

这款应用的创始人使用了一款由名叫有米的中国广告公司提供的软件开发系统，这个软件让应用软件开发者可以在自己的应用里加入广告，这是可以的。

youdao

After the teachers got the more in-depth understanding of the "Great Wall Chinese" kit, Mr. Meng conducted the important part of the training — teaching cases show.

在各位老师对《长城汉语》这套教材有了更加深入的认识之后，孟老师进行了此次培训的重要环节——教学案例的展示。

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Methods 2 882 Chinese blood donors and 556 Chinese hepatitis patient sera were tested with the improved Chinese anti-HCV EIA kit (XWK) and two foreign third-generation anti-HCV EIA kits (A3, O3).

方法用改进后的国产新伟凯公司丙肝试剂（XWK）和两种国外第三代主流试剂（A3，O3）检测了2 882份供血员血样和556份各种肝炎病人血样。

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This made us feel a little greedy and high-maintenance. (Hilton says it is planning to tweak the app to allow guests to make multiple requests at once.) Maybe Conrad read our avaricious mind, because 10 minutes later, an employee arrived bearing two dental kits, two pairs of slippers, two robes and a toiletry kit (with shampoo, conditioner, lotion and soaps) from Shanghai Tang, a luxury Chinese retailer.

WSJ: Test Driving a New Hotel App