An incoming netrusher would know that once Connors got the return down, he was likely charging forward, possibly to take the first volley out of the air or step in and drill a passing shot.

• 如果你是个发球上网的新手，你必须得知道一旦康纳斯回球后，他极可能随上送上一记截击或是抓住空隙给你一记穿越。