Therefore, Beijing must improve the tourism image and the convenient level.

因此，北京的景区形象和便利程度都需要得到优化。

youdao

UML 2.0 defines a number of convenient modeling constructs of this type, providing you a very rich facility for modeling complex end-to-end behavior at any level of decomposition.

UML 2.0 定义了大量的这种类型的建模构造体，给你在分解后的任何层面上进行复杂的端对端建模，提供了非常大的便利。

youdao

The object-oriented approach was convenient, but since calls for low-level Win32 functions are encapsulated by class, it is insufficient for learning about the essence of the Services.

面向对象的方法固然方便，但由于用类对底层 Win32 函数调用进行了封装，它不利于学习服务程序的基本知识。

youdao

Homeowners can choose to illuminate the home display making it easy to see from anywhere in the room, or allow it to "sleep, " adding a convenient level of customization not available in other brands.

ENGADGET: blogger-avatar

It would be convenient to blame all of our distractions in undermining our ability to finish tasks efficiently, perform at the level we know we are capable of, or even focus on what we need to prioritize on any given day.

FORBES: Combatting Attention Distraction Disorder: The Ultimate Tool