在经济低迷时期，许多家庭面临财务困难。

Many families face financial ___difficulty during economic downturns.

她在按时完成项目时遇到了巨大的困难。

She encountered great ___difficulty in completing the project on time.

如你所知，我的家庭有财务困难，我们需要帮助。

As you know, my family has financial ___difficulty and we need assistance.