You are strongly advised to wear a condom while having sexual intercourse.我们强烈建议性交时戴安全套。The condom advertising campaign is going to be very straightforward and as matter-of-fact as possible.避孕套宣传活动将以直截了当的、尽可能就事论事的方式进行。Use a condom to minimize infection.使用安全套以使传染的可能性降低到最低限度。