The phrase "are both absent" is correct and usable in written English.
It can be used to indicate that two subjects or entities are not present or missing from a particular situation or location.
Example: "The two key witnesses are both absent from the trial, which may delay the proceedings."
Alternatives: "are both missing" or "are both not present".
Gareth Bale and Ramsey are both absent, as are strikers Hal Robson-Kanu Robson-Kanu and Sam Vokes
Rome correspondent Lizzy Davies reports that two distinguished honorary senators, architect Renzo Piano and conductor Claudio Abbado, are both absent because they are out of the country.
In all of these pictures, the photographers are both absent and present: we don't think of them, and yet at the same time, we are seeing through them.
The immune-inhibiting protein B7-H4 is mostly found on breast tumors in which another immune-suppressing protein, PD-L1, and tumor-infiltrating immune cells are both absent.
If the General Counsel and such next ranking official in the Legal Division are both absent, the official in the Legal Division who is then next in rank may provide the required certification.
Parks and Jackson are the two specialist stand-offs in Scotland's 38-man provisional World Cup squad, while Chris Paterson and Greig Laidlaw offer cover for the position, but the duo are both absent this weekend.
The riots have revealed worrying signs of a state that is both absent and untrusted by the people.
Seventy-nine proteins were detected in one P1 isolate which were absent or undetectable in the other comparators (Supplementary Information Table 5), including penicillin binding protein, DacB and virulence factor, ZmpA31,32 which were both absent in the first two isolates.
That's right — Iraq and Kuwait, the two Arab countries hosting the most U.S. troops, and the two Arab countries with probably the most active elected Parliaments, were both absent.
I didn't have to ask, "What would Mal do?" because he was both absent in reality and present in my head, and in Elspeth's.
When Mn2+ and Fe2+ were both absent, the production yield also dropped to ca. 0.6 g/l, approximately one-third of the control value.
