Middle name should be an optional field.
中间名应该是可选的字段。
Example: Adding optional field country to the create operation as follows.
示例：向create操作添加可选字段country，如下所示。
Faultactor is an optional field that indicates the URI of the source of the fault.
Faultactor是可选的字段，它表示错误源的URI。
Known hosts file (optional field) : The file that contains a list of known hosts.
Knownhostsfile (optional field)：包含已知主机列表的文件。
But if the string is an address or optional field, you may have megabytes of zeroes on disk.
但如果字符串是一个地址或可选的字段，那么磁盘上可能会有成兆字节的零。
Any optional field for which there is no meaningful data contains a zero (0) or a space as a placeholder.
任何不具有意义资料的选择性栏位都会包含一个零(0)或空格做为预留位置。
Any optional field for which there is no meaningful data contains a zero (0) or a space as a placeholder.
任何不具有意义资料的选择性栏位都会包含一个零(0)或空格做为预留位置。
应用推荐