我需要将一些JSON数据导入到数据库中。我想使用PowerShell并弄清楚一点，但是我需要帮助来整理最后的部分。 如何在Powershell中将以下嵌套JSON转换为纯CSV？ 以下是JSON数据：
$openings = '{"objects": [
{
"id": 136691,
"title": "UX Desginer",
"description": "Hiring a UX Designer for our Front End Team",
"position_type": "full_time",
"is_remote_allowed": false,
"is_archived": false,
"is_private": false,
"state": "Draft",
"location": {
"city": "Bangalore",
"state": "Karnataka",
"zipcode": "560078",
"country": "India"
},
"team": "Front-end Team",
"created_date": 1472804002,
"modified_date": 1472804018,
"application_email": "recruiterbox-dmcc0616@applications.recruiterbox.com",
"hosted_url": "https://recruiterbox.recruiterbox.com/jobs/d933h5yh"
},
{
"id": 136691,
"title": "UX Desginer",
"description": "Hiring a UX Designer for our Front End Team",
"position_type": "full_time",
"is_remote_allowed": false,
"is_archived": false,
"is_private": false,
"state": "Draft",
"location": {
"city": "Bangalore",
"state": "Karnataka",
"zipcode": "560078",
"country": "India"
},
"team": "Front-end Team",
"created_date": 1472804002,
"modified_date": 1472804018,
"application_email": "recruiterbox-dmcc0616@applications.recruiterbox.com",
"hosted_url": "https://recruiterbox.recruiterbox.com/jobs/d933h5yh"
}
],
"meta": {
"total": 1,
"limit": 20,
"offset": 0
}}'