The corruption of revolving doors pays for the grandkids college.
"While he was Minister for Trade and Investment, Robb approved Chinese company Shandong Landbridge Group to lease Port Darwin for 99 years. As soon as he left politics, Robb was hired by Shandong Landbridge on a $880,000 per year salary. In 2019, Robb left the position, shortly before a new foreign-interference law took effect."[0]
Good work if you can get it and still sleep at night.