Serious genetic diseases are really the current focus of the field.

严重的遗传病确实是当前该领域的焦点。

China's United Nations ambassador Liu Jieyi says the current focus should be on establishing the truth of the downing of Malaysian flight MH17 last year over eastern Ukraine.

中国常驻联合国代表刘结一表示，当前的重点是查明去年马航MH17航班在乌克兰东部坠毁的真相。