But they know just how unlikely that is, so they're going to require very longodds.
但是他们知道，这是多么的不可能，所以他们就取非常长期的可能性。
2
But she should prepare herself for some longodds.
但是她必须做好心理准备，接受机会的渺茫。
3
But let us end on an optimistic note, by happily taking longodds on medical breakthroughs: a vaccination against HIV; a cure for Parkinson's disease; even a cure for the common cold.