The grass is greener on the other side of the fence.
隔岸风景好,邻家芳草绿。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.