Summarize: a monotonic transformation of a utility function is a utility function that represents the same preferences as the original utility function.

总结：单调变换前后的效用函数的偏好相同。 总结：单调变换前后的效用函数的偏好相同。

youdao

The tar utility bundles one or more files and directories into a single file, maintaining bytes, owners, permissions, file type, and station in the file system hierarchy of the original files.

tar 实用程序将一个或多个文件和目录打包为单个文件，并保持原始文件的大小、拥有者、权限、文件类型及其在文件系统层次结构中的位置。

youdao

If you just want generic serialization of gnosis.xml.objectify objects, perhaps with a few values changed from the original XML, you can write a utility function to do this in 12 lines.

如果只需要一般的gnosis . xml . objectify序列化，比如原始xml中改变的几个值，只要12行代码就可以编写一个实用函数。

youdao

In 1984, American Motors released a new Cherokee that was smaller, narrower and lighter than the original, essentially inventing the sport utility vehicle.

WSJ: Jeep takes a radical new turn with Cherokee