Manchester City's hopes of qualifying for next season's Champions League suffered a surprise setback on Saturday when Pep Guardiola's side was held to a 0-0 draw away to Southampton.

LONDON, May 10 (Xinhua) -- Manchester City's hopes of qualifying for next season's Champions League suffered a surprise setback on Saturday when Pep Guardiola's side was held to a 0-0 draw away to ...

PEP，全称是Post-Exposure Prophylaxis，中文叫做 暴露后预防，是指在可能接触到艾滋病病毒（HIV）后，及时使用抗病毒药物，以阻止病毒在体内复制，从而预防感染的措施。 简单来说：PEP不是事前防护，而是“亡羊补牢”的补救方法， 就像事后吃的“阻断药”。 PEP ...