Add the threat of terrorism (and heightened security checks to prevent it), and the poorly oiled machine grinds almost to a halt.
Add the threat of terrorism (and heightened security checks to prevent it), and the poorly oiled machine grinds almost to a halt.
再加上恐怖主义的威胁（和为防范而加强的安检），这架破旧的机器（希思罗机场）已是吱吱作响，几乎停摆。