In addition to having one's blood tested and avoiding used needles, the most important way to prevent AIDS is safe sexual behavior--a designated sexual partner and consistent use of condoms.
除了血液篩檢、避免共用針頭外，防治愛滋病的不二法門就是：安全的性行為﹘ ﹘固定的性伴侶和全程使用保險套。