安装curl时候: The following packages have unmet dependencies: curl : Depends: libcurl4 (=7.68.0-1ubuntu2.5) but7.68.0-1ubuntu4istobe installedE:Unabletocorrect problems, you have held broken packages. 需要的依赖是7.68.0-1ubuntu2.5版本的libcurl4,可实际已安装的版本确是7.68.0-1ubuntu4。 解决...