"制定业务安排"可以用英文表达为"making business arrangements"。

来源：这个短语是由两个单词组成的，即"make"和"business arrangements"。"Make"是一个动词，意思是"制造，做，制定"。"Business arrangements"是一个名词短语，意思是"商务安排"。

下面是一些例句：

I need to make some business arrangements for my upcoming trip. (我需要为我即将到来的旅行制定一些业务安排。)
Can you help me make the necessary business arrangements for the meeting? (你能帮我制定会议所需的业务安排吗？)
I'm going to be busy making business arrangements for the next few days. (我将忙于制定业务安排数天。)