These lessons are not the only solutions to the crisis but until there is a cure for AIDS, education represents the only safe measure to guard against the virus. (Para.13)
Meaning: The experiences of the stylists are not the only ways to deal with the crisis of AIDS, but before a cure for AIDS is found, education is the only safe method to fight against the spread of the AIDS virus.
solution: n. an answer to a problem
Please note: "solution" is often followed by "to".
It took him three days to give a solution to the mathematics problem.他花了三天时间才解出这道数学难题。
It is difficult to find a solution to this question. 这个问题很难找到解决办法。
represent: vt. show; be a sign of; stand for; describe
He got a chance to represent China at the Olympic Games the next year. 他有机会在第二年代表中国参加奥运会。
He does not clearly represent the stages of painting a picture.他没有讲清楚绘画的步骤。
guard against: watch over in order to protect from hurt or damage
This is an open house and there is little way to guard against strangers. 这是一幢开放式的房子，很难防范陌生人的进入。