尝试如下:

start-job -filepath myscript.ps1 -arg (,$myarr)

-ArgumentList 接受一个参数列表/数组.因此，当您给出 -arg $myarr 时，就好像您将数组的元素作为参数传递一样.因此，您必须强制 PowerShell 将其视为一个数组参数.

The -ArgumentList takes in a list/array of arguments. So when you give -arg $myarr, it is as though you are passing the elements of the array as the arguments. So you have to force PowerShell to treat it as a single argument which is an array.