sự tồn tại sự sống 
existence like: sự sống → →
there is no life on the moon ☊ 
Không có sự sống trên Trăng ☊ battle (for sth): a battle for survival ☊ battle ☊
life and death ☊ life ☊
The body was cold and showed no signs of life. ☊ life ☊
people of different religions living in peaceful coexistence ☊ peaceful ☊
I couldn't resist the opportunity to meet a real live celebrity. ☊ real ☊
Scientists are studying photographs of the planet for signs of life. ☊ study ☊
suppose sth: The theory supposes the existence of life on other planets. ☊ suppose ☊