英语语法分析

Hopefulness fueled America's baby boom.

希望催生了美国的婴儿潮。

"I do too," I said, unable to hide my hopefulness.

我说：“我是真的也这么想。”无法掩饰我的希望。

This hopefulness is intrinsic to both his work and personality.

如此的满怀希望是集斯提作品和他性格于一身的特性。