Assertion: neighboring district | /r/CapableOf | become over last few decades
Facets:
value: fast
type: MANNER
Source sentences:
text: While Seoul's traditional business centers such as Central District, Jongno District, Yongsan District and Yeongdeungpo District still maintain their leading roles, Gangnam and its neighboring districts have fast become the new core across all areas of business over the last few decades.