How to Properly Cut Content and Show Content is Cut

The standard indicator of missing content is [...], for example:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus condimentum commodo purus. Vestibulum eget adipiscing mi. Morbi in consequat urna. Vestibulum imperdiet ullamcorper risus vitae vulputate.

[...]

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus condimentum commodo purus. Vestibulum eget adipiscing mi. Morbi in consequat urna. Vestibulum imperdiet ullamcorper risus vitae vulputate.