un·de·vel·oped /ˌəndɪˈvɛləpt/ 形容詞
adj 1: not developed; "courses in interior design were rare and
undeveloped"; "undeveloped social awareness" [ant: developed]
2: undeveloped or unused; "vast unexploited (or undeveloped)
natural resources" [syn: unexploited] [ant: exploited]
3: (of real estate) not built upon or ready for building upon;
"taxes on undeveloped lots are low"