124. It is repeatedly claimed that the dumping of nuclear waste poses no treat to people living nearby. If this claim could be made with certainty, there would be no reason for not locating sites in areas of dense population. But the policy of dumping nuclear waste only in the more sparsely populated regions indicates, at the very least, some misgiving about safety on the part of those responsible for policy.
答案没有问题，但是文章前面讲的（红字部分）看不太懂，为什么后面会说 If this claim could be made with certainty, there would be no reason for not locating sites in areas of dense population
请nn帮忙翻译一下 | 
