Kinh tế (tự nhiên) tự cung, tự cấp là

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )

answer; the above statement is (false);

answer; implicit memories explicit;