A complicating factor has been the continuing lack of specialized one-volume reference works on Asian Americans, such as biographical dictionaries or desktop encyclopedias.
一个复杂的因素是，一直缺乏专门针对亚裔美国人的一卷参考著作，如传记词典或台式百科全书。
2
The previous command can create only onevolume.
前面的命令只能够创建一个卷。
3
If an operating system bug, bad disk sector, or even certain superuser errors cause corruption to a file system, using multiple volumes can limit that damage to just onevolume.