If the start gnawing on a big vocabulary, the dictionary does not eventually sent the book will only stifle interest in learning, emotional reduce and eventually give up.

如开始就啃一本词汇量太大，没有词典看不下去的书，只会扼杀学习兴趣，降低情绪，最终放弃。

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During previous booms in commodity prices, as in the 1980s, central banks jacked up interest rates in order to choke off demand and so stifle inflation.

ECONOMIST: The magnetism of metals