They also make the burger more planet-friendly, says Richard Waite at the World Resources Institute.

世界资源研究所的Richard Waite说，他们还让汉堡变得更加环保。

Waite showed up unexpectedly in Beirut on Friday for his first visit in several months.

周五，⻙特出⼈意料地出现在⻉鲁特，这是他⼏个⽉来的⾸次访问。

Waite's latest mission to Beirut is his most difficult, especially if it involves a multinational swap that must await the approval of several conflicting parties.

韦特去贝鲁特的最新任务是他最困难的任务，特别是如果它涉及到一个跨国交换，必须等待几个相互冲突的政党的批准。