private life, personal life

science and technology

big / broad, immense

To improve (in reference to a society's technological capability or general quality of life). / To advance in proficiency; to make progress in the development of a skill.

progress; improvements in social welfare. / Personal progress, usually in the development of a skill.

potential of 変える (kaeru): to be changeable / passive of 変える (kaeru): to be changed

to change, to make different / to move or shift to a different time or place

technology; technique; technical

live a life

life; livelihood; daily living.