很多留学项目都十分可靠，像美国战地服务团（AFS），它们的留学交换项目已经有五十多年的历史了。

Many study abroad programs are well established — the American Field Service (AFS) student exchange program has been been around for more than 50 years.

youdao

很多留学项目都十分可靠，像美国战地服务团（AFS），它们的留学交换项目已经有五十多年的历史了。

Many study abroad programs are well established — the American Field Service (AFS) student exchange program has been been around for more than 50 years.

youdao