In the first iteration, I will focus on class relationships.

在第一次迭代，我将重点关注类关系。

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This announcement is the next step in a global expansion strategy with a focus on delivering first-class corporate travel services to major International markets.

此通告是公司下一步全球扩展战略—把一流的差旅服务带到全球主要的市场的一部分。

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This article will only focus on the class diagram and associated model elements (class, package, associations, attributes, and enumeration).

本文仅关注类图以及相关联的模型元素（类、包、关联、属性和枚举）。

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"As you can say for this demonstration I think they should focus more - I mean truly focus - on what the working class or the labor unions really need."

VOA: standard.2009.03.09

Let's focus on a couple of lessons of the class before I come back to this.

在继续讲下面的内容之前,我们先来回顾一下上节课的结论

耶鲁公开课 - 博弈论课程节选

You've got a magnetic field, maybe even magnetic susceptibility, the electric field. We're not going to worry about these magnetic fields or electric fields in this class So, pretty much we're going to focus on this set of variables here.

你也会引入磁场，或许甚至磁化率，以及电场，我们这堂课不需要关心,这些磁场或,电场之类的东西,基本上我们只关注,这里的一组变量。

麻省理工公开课 - 热力学与动力学课程节选

This year, however, Paul decided to focus the class on Africa, and with China becoming such a strong force on the continent, he thought the class might appreciate hearing about Africa and its development from the China perspective.

FORBES: China and Africa

The best way to extend these expiring tax provisions is to focus on the middle class.

FORBES: Baucus Supports Bipartisan Agreement, Despite Lower Estate Tax And Tax Cuts For Millionaires And Billionaires

This explains the meteoric rise of a new party (Yesh Atid) which said it would focus on the middle class and find a way so the ultra-Orthodox participate in burden-sharing by joining either the compulsory army or civilian form of mandatory service.

CNN: STORY HIGHLIGHTS