border belt的用法和樣例：
例句
- And most importantly, unlike Vietnam, the American people were viciously attacked from Afghanistan, and remain a target for those same extremists who are plotting along its border.
與越戰相比最重要的區別在于，美國人民受到了來(lái)自阿富汗的惡意攻擊，并且仍然面臨在阿富汗邊境地帶進(jìn)行謀劃的同一伙極端分子的切實(shí)威脅。
