حالة لا نستخدم فيها a/an/the
 

double expressions
Articles are often dropped in double expressions, particularly with
prepositions.
with knife and fork
with hat and coat
from top to bottom
on land and sea
arm in arm
inch by inch
For cases like the bread alld (the) butter, see 178.
3 possessive 's
Nouns lose their articles after possessive's.
day after day
husband and Wife