在中文里,"还有13天"可以翻译成 "There are still 13 days". 这句话的来源是英文中描述剩余时间的常见表达方式。

例句:

"I can't bepeve there are still 13 days left until Christmas!" (我简直不敢相信圣诞节还有13天!)
"We have a big presentation in 13 days, so we need to make sure everything is ready." (我们13天后有一个重要的演讲,所以要确保一切准备就绪。)
"There are only 13 days left until the deadpne for this project." (这个项目的截止日期还有13天。)

注意,如果你想表达的是未来的时间,你需要用 "in" 来表示。例如:"The vacation starts in 13 days." (假期在13天后开始)