It means:
You must call (in order) to make an appointment.
Tengo que hacer algo
fala English putha
"My cat needs to drink milk" in Spanish is: "Mi gato debe tomar leche" (Latin American Spanish) or "Mi gato debe beber leche" (Mexican or European Spanish)."Your cat needs to drink milk" is "Su gato debe tomar leche" or "Su gato debe beber leche."
"and this is what it should be"
Usted debe pensar de ello.
"Debe ser agradable lo es" translates to "It must be pleasant, it is."
"entonces no debe ser tan bueno"
¿A qué se debe su / tu / vuestra pregunta?
a que se debe el erro P01, por favor que debo hacer para solucionar este problema
usted debe comenzar su tarea
'you have to be' but that's not really how they say it, they would say 'se debe ser'
Todo debe ser muy limpio.