Turkey election: Erdo?an faces his greatest challenge yet
土耳其選舉： 埃爾多安面臨執政以來最大挑戰
After 21 years in power, the president is in a tight contest with a united opposition determined to change the course of the nation
在執政21年后，土耳其總統埃爾多安與決心改變國家進程并團結一致的反對派展開了激烈競爭。