基本解释（用于电子邮件中）先谢了，劳驾（thanks in advance的缩写）, 短暂性脑缺血发作（transient ischaemic attack 的缩写）。同根派生 英英字典剑桥英英字典 written abbreviation for thanks in advance: used in an email when you ask someone for information or want them to do something for you