常见例句双语例句She visited book launches and lectures that had free buffets and scoured supermarkets for discounted food close to its sell-by date。她去参加讲座和书店里的新书发布活动，因为这些活动都会提供免费的餐饮机会。 她会在超市快关门前冲进去购买廉价处理的食品。edu.sina.com.cn 返回 book close date