He also prepared visual aids, diagramming photo line, so his classmates wouldn't get confused.

他还准备了视觉教具，绘制了照片线，这样他的同学就不会被弄糊涂了。

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Many of these soldiers now wear hearing aids. That limitation alone may keep some from going back to the front line.

很多到坎贝尔堡治疗的军人都使用助听器，仅仅这个听力损伤就让一些军人不能再到前线作战。

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Using a form of text messaging similar to SMS, this sends out up to a million short messages a day, encouraging the recipients in their local language to contact the national AIDS hot line.

ECONOMIST: A doctor in your pocket

Mr. Clinton's foundation had brokered discounts on first-line AIDS drugs, many of which were older and used relatively simple chemistry.

WSJ: Researchers Manipulate HIV Drug's Chemistry to Lower Cost

Beyrer makes clear from the start that this is a personal account from a survivor who has worked on the AIDS front-line for over a decade.

CNN: MAPPING A SOCIAL SCOURGE