$\text{@Ochi}$
`1`, A hobby is what a person likes to do in his/her spare time.
`→` Ngay câu đầu tiên
`2`, They collect everything from books to butterflies and from shells to stamps.
`→` câu thứ 6
`3`, Because they can offer enjoyment, friendship, knowledgable and relaxation. Hobbies can also bring interesting activities for people who have retired.
`→` đoạn giữa
`4`, People in rich or poor, old or young, sick or well, can follow a satisfying hobby.
`→`sau đoạn của câu 3
$\text{#BTS}$
