Using this pair of methods, you can initialize co-dependent properties or batch set multiple properties at design time. 使用这两个方法可以在设计时初始化相互依赖的属性或成批设置多个属性。
As an alternative, sales slips might be collected throughout the day and processed as a batch after the store closes. 另一种可供选择的方案是可整天的收集销售单，商店关门以后，成批地处理。
