While not perfect, condoms are the most effective way of preventing sexually transmitted infections (STIs) such as HIV, gonorrhea, chlamydia and trichomoniasis.

• 虽然不是十全十美，但避孕套仍然是最有效的措施防止性传染疾病(性病)，如艾滋病、淋病、衣原体以及滴虫病。