Can't use convenient revenue collection/sharing mechanisms available for paid apps and for in-app advertising and up selling features found in native APIs

对于付费应用和嵌入应用的广告没有便利的收益统计/分享机制，也不能通过销售原生API的特性来获取收益

youdao

Automatic car easy to use convenient, but very sophisticated automatic transmission system, once the automatic transmission failure, maintenance with a very cumbersome and expensive.

自动挡汽车好用方便，但由于自动变速系统非常精密，一旦自动变速箱发生故障，维修起来十分麻烦且昂贵的。

youdao

It's very convenient to use the bikes if you have a smart phone.

如果你有智能手机，骑自行车就非常方便。

youdao

The Vatican (to use the convenient shorthand for the pope and his advisers) is unmoved by argument on either of these subjects.

ECONOMIST: Between this world and the next

In order to encourage credit card use among the public, Visa and MasterCard did not want stores to up-charge customers who wanted to use their convenient tools for purchases.

FORBES: Credit Card Users May Pay an Additional Fee

Instead of a butane burner or brazier filled with charcoal, you can use a more convenient (and much easier to find) electric frying pan or wok.

NPR: Friends, Family and a Feast: A Hot Pot How-To