DABURU is a Katakana or loan word originated from English, “DOUBLE”
come across the following expressions：
tachi wa DABURU-POCKET no kazoku desu. Shunyu mo o-o-i ga,
shishutsu mo o-o-i desu”,
meaning “We are dual income family. We earn a larger income, but
we also spend a lot.”
SCHOOL no gakusei ga fuete imasu. Karera no o-o-ku wa daigaku e
ikinagara shikaku ya gijutsu wo mini tsukeru tame senmon gakko
ni kayotte irunodesu”,
meaning “Recently the students studying at two schools
concurrently are increasing in number.
Many of them go to vocational school seeking for a qualification
or a technique while studying at a college”.