艾滋病前期的十多种症状PCP和KS可以单独发生，也可以同时发生。

Early symptoms of AIDS, more than 10 kinds of PCP and KS can occur in isolation, you can also occur simultaneously.

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为2008年“世界艾滋病日”的宣传活动进行前期准备的过程中，我们遇到了一些挑战和困难，也学到了很多东西。能够在中国参加这种大型的公益活动使我们受益匪浅。

Through the process of preparing for World AIDS Day 2008 we learned about some of the challenges, difficulties, and rewards of planning and executing a large, public activity in China.

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