原文：对于SARS，我们应该持一种健康的忧患态度，并采取审慎措施防止其蔓延。译文：We need to have a healt

原文：对于SARS，我们应该持一种健康的忧患态度，并采取审慎措施防止其蔓延。
译文：We need to have a healthy fear of SARS and take prudent steps to preventing its spread.
【正确答案】：
改译：We need to have a healthy fear of SARS and to take prudent steps in preventing its spread.