YOU SAID:
Mathematics is not useful in life
INTO JAPANESE
数学は人生に役に立たない
BACK INTO ENGLISH
Mathematics is useless for life.
INTO JAPANESE
数学は一生役に立たない。
BACK INTO ENGLISH
Mathematics will not be useful for the rest of your life.
INTO JAPANESE
数学は一生役に立たないだろう。
BACK INTO ENGLISH
Mathematics will not be useful for the rest of your life.
Well done, yes, well done!