Because evidence on the subject is inconclusive and often contradictory, it has been hard to decide whether concern about the health effects of electricity is legitimate—or the worst kind of paranoia.
Because evidence on the subject is inconclusive and often contradictory, it has been hard to decide whether concern about the health effects of electricity is legitimate—or the worst kind of paranoia.
由于这问题的证据还不是结论性的，而且常常是矛盾的，所以就难以断定有关电力对身体的影响的顾虑是合乎情理，还是毫无根据的怀疑。