Even if, in many cases, an affirmative reply again appears necessary, it would be difficult to generalize, since everything depends on the exact mandate that the conference that adopted the treaty gives to the preparatory committee.
即使在许多情况下似乎需要就此作出肯定的答复，但难以一概而论，因为一切都取决于通过条约的会议授予筹备委员会的确切任务。