XUL has a wealth of UI elements and each one has a wealth of attributes and properties, adding up to a generous toolbox for building applications and extensions.
This is a bit like sale-and-lease-back on a commercial building: Yahoo gives up one of its most valuable properties, but hopes to get a guaranteed amount from it.
这有点像商业建筑的售后回租：雅虎放弃自己最重要的资产之一，以期得到确定的回报。
3
To select the proper excipients of granule for healthy spleen, building-upproperties and solubility were used as the judgement criteria, the kinds and ratio of the excipients were sieved.