TheDutchareusedtolivinginacountrywhichisalwaysexposed...
問題詳情： TheDutchareusedtolivinginacountrywhichisalwaysexposedtodangersofdeadlyfloods.Acountrywithahalfofitslandbelowsealevelcannotafford___41___(ignore)theproblemofrisingsealevel,andHolland,whicha...