In nineteen fifty-one, the president asked Congress to establish a new foreign aid program.

1951年，总统要求国会建立新的对外援助计划。

The Marshall Plan helped legitimize and lay the groundwork for U.S. foreign aid programs that have come since.

马歇尔计划有助于美国的对外援助项目合法化，并为此奠定了基础。

It does more than all of the foreign aid programs in the world combined.

它所做的比世界上所有对外援助项目的总和还多。

" In most cases, the success or failure of U.S. foreign aid programs is not entirely clear, in part, because historically most aid programs have not been evaluated, " the research service says.

“大多数情况下，美国对外援助项目的成败并不是很清晰，因为从历史上来看大多数援助项目没有得到评估。”