Comprehensive data on 1930s trade barriers are hard to find.
2
她曾彻底消失,踪迹难寻。但当27岁的英国歌手阿黛尔•阿德金斯宣布华丽回归,她让音乐界欣喜不已。
She disappeared through and through, evaporating without a trace. But when UK singer Adele Adkins, 27, announced her grand comeback, she sent the music world into a tizzy.