The pictures of airplanes flying into buildings, fires burning, huge structures collapsing, have filled us with disbelief, terrible sadness and a quiet, unyielding anger.

• 飞机撞到了高楼上，浓烟滚滚，巨大的建筑物坍塌了，我们无法相信这一画面。 我们心中充满了极度的悲痛和无言的、无法妥协的愤怒。