但他也提醒，白宮的追蹤數據「包含可能最終不會實現的投資承諾」。他舉例說，歐盟的貿易協議就是一例，該協議因特朗普最新的關稅威脅而被擱置。
Tony Jolliffe BBC
。爱思助手下载最新版本对此有专业解读
take a look at how they compare. I'll analyze each tool to see how they differ
"What helps us get to the moon? Well, for sure, rendezvous and docking with one or ideally both landers, that gives you an opportunity to do some integrated testing of a vehicle that we are going to depend upon the following year to take those astronauts down to the surface of the moon," Isaacman told CBS News.