/// <summary>
/// 初始化一个<see cref="ValueObjectSample"/>类型的实例
/// </summary>
public ValueObjectSample(string city, string street, AggregateRootSample sample, ValueObjectSample child)
{
City = city;
Street = street;
AggregateRoot = sample;
Child = child;
}
/// <summary>
/// 初始化一个<see cref="ValueObjectSample"/>类型的实例
/// </summary>
public ValueObjectSample(string city, string street, AggregateRootSample sample) : this(city, street, sample, null)
{
}