One clear takeaway from this
research-like the many studies on experiential spending and happiness done to
date-is that people would likely be wise to tilt their spending toward
"doing" rather than "having."
这句话的done怎么翻译，就像幸福做的那样？感觉不通顺。like这里是个插入语，done应该做谓语，是不是有省略？
