问题：手动编写一个拷贝构造函数的初始化每个成员变量作为副本很乏味，和近乎荒谬的成员变量数量的增加。

Question: Manually writing a copy constructor which initializes each member variable as a copy is very tedious, and verges on ridiculous as the number of member variables grows.

youdao

换句话说，在1.0中，您要么使用已经创建的名称空间，要么创建其他不需要的节点作为副本来生成名称空间节点。

In other words, 1.0 forced you to either have the namespace node already created or to create some other unwanted node to force the namespace node as a by-product.

youdao

若指定了 [datetime] 参数，则将其用作副本 ID 的基础，若未指定则以当前日期或时间作为副本 ID 的基础。

The argument [datetime], if specified, is used as the basis for the replica ID; otherwise the replica ID is based on the current date/time.

youdao