盈亏自负

responsible for its profit and losses (of organization) / financially autonomous / personal financial responsibility

full / filled / surplus

profit and loss / waxing and waning

deficiency / deficit / luckily / it's lucky that... / (often ironically) fancy that...

self / oneself / from / since / naturally / surely

conceited / to take responsibility

to bear / to carry (on one's back) / to turn one's back on / to be defeated / negative (math. etc)