The answer is sub Jove (literally 'under Jove' (or Jupiter))
sub divo (in the open air, under the wide open sky)
Felix es.
Tandem.
An expression has no equal sign but an open sentence does Ex:2+4=6 open sentence Ex:2x5 Expression
'Tennis' in Latin is 'tenisia' ('tenisiae', if plural). The expression 'to play tennis' in Latin is 'tenisia ludere'.
Res publicae.
in situ
Open Veins of Latin America was created in 1971.
Esse apertus is the Latin equivalent of 'to be open'. In the word by word translation, the infinitive 'esse' means 'to be'. The past participle 'apertus', conjugated from the infinitive 'aperire' ['to open'] and used as an adjective, means 'open, opened'.
The scientific expression is solid-air aerosols.
Open Veins of Latin America has 317 pages.
The ISBN of Open Veins of Latin America is 978-0853459903.