《黄帝内经·素问·疟论》
疟疾发作的时间，有的逐日推迟，有的逐日提前，是什么缘故呢？
其作日晏与其日早者，何气使然？
The time of malaria attack, some are postponed day by day, and some are advanced day by day, what is the reason?
<s>[INST] For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 其作日晏与其日早者，何气使然？ Modern: 疟疾发作的时间，有的逐日推迟，有的逐日提前，是什么缘故呢？ [/INST] The time of malaria attack, some are postponed day by day, and some are advanced day by day, what is the reason?</s>
For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 其作日晏与其日早者，何气使然？ Modern: 疟疾发作的时间，有的逐日推迟，有的逐日提前，是什么缘故呢？
user
The time of malaria attack, some are postponed day by day, and some are advanced day by day, what is the reason?
assistant