The acid test of a good driver is whether he remains calm in an emergency 衡量驾驶员水平的决定性考验,就是看他在紧急关头能否保持镇静
At a crisis 在紧急关头
Harold complains quite a lot , but when the chips are down he always defends his company and is really very loyal 哈罗德常常抱怨不断，但在紧急关头，他总是护卫着他的公司，他的确非常忠诚。
And the common features of such a plan are a " warm " back - up site that can be turned " hot " with the minimum of time lag , and , learning from the experience of the terrorist attack in new york on 11 september 2001 , a back - up team as well , for essential operations 根据这些计划，机构一般都会预早选定作为应变运作的后备地点，以便遇到紧急需要时能在最短时间内启动，投入运作。此外，经过美国纽约九一一恐怖袭击后，很多机构的应变计划都已设立一支后备运作队伍，使机构在紧急关头仍能维持关键的运作。
