Regarding those exceptions, concern has been expressed that they may undermine the purpose of the IIA by providing the host country with a potentially broad justification for derogating from IIA obligations.
关于这些例外，有人表示担心它们可能给予东道国广泛的借口减损国际投资协定规定的义务，因而损害国际投资协定的宗旨。