In the first sentence the author means that _____.
In the first sentence the author means that \_\_\_\__.
trouble
The real trouble ____ their lack of confidence in their abilities
The real trouble ____ their lack of confidence in their abilitiesA
超级飞侠英文故事：尼斯湖水怪 Super Wings: Bubble Trouble.mp3
《超级飞侠》是中美德韩等国联合开发的一部动画系列片，其编剧文本由获得十项艾美奖的美国著名编剧Josh Selig主创，并创造了国产动画进入欧美主流儿童频道较多的记录，获得国家新闻出版广电总局2015年特别推荐优秀国产动画片。该系列图书内容基于该动画片，是其英文版的绘本故事，保留了其原味、地道的英文表述，适合0-8岁儿童使用。 这部3D动画作品讲述了飞机机器人乐迪与一群称为“超级飞侠”的小伙伴环游世
The real trouble ____ their lack of confidence in their abilities
The real trouble ____ their lack of confidence in their abilitiesA