<label>취미: </label>
<span v-for="hobby in hobby_options" :key="hobby">
<label> {{ hobby }} </label>
<input type="checkbox" v-model="result.hobby" v-bind:value="hobby" />
<!-- <input type="checkbox" v-model="result.hobby" />-->
<!-- value가 string처럼 상수면 v-bind 가능, 변수에 저장된 값을 넣고 싶으면 v-bind:value 사용-->
<!-- value="female", v-bind:value="hobby"-->
</span>