The limitation has disappeared.
出自-2014年6月听力原文
Milkman, the sociologist, argues that American craftsmanship isn't disappearing as quickly as some would argue - that it has instead shifted to immigrants.
出自-2013年6月阅读原文
Hospital workers in at least one case deserted their workplace in panic, thus halting the administering of potentially unclean disease spreading injections, but Ebola has not disappeared.
出自-2013年6月听力原文