The following is the AI's preliminary analysis of this message, which we hope will provide you with some ideas before it is fact-checked by a human.
這則訊息中需要特別留意的地方是「工作時段是下午4.5.7.9點」,因為一般而言,工作時段通常不會以小數點來表示,而是以整數時段來安排。閱聽人需要懷疑這個訊息是否真實可靠,建議進一步確認資訊的來源和真實性。