a year earlier指的是什么时候？和previous year意思一样吗？
母语人士的回答
Rebecca
这种情况下的a year earlier于1984年。 Macintosh计算机于1984年1月24日发布。在一般情况下， a year earlier的含义相同的previous year ，但这取决于你使用的情况。示例： He was born in 1994. The previous year Bill Clinton became the president of the United States. （ He was born in 1994. A year earlier, Bill Clinton became the president of the United States. （他出生于1994年。前一年，比尔·克林顿（Bill Clinton）成为美国总统。）例如： They just bought a new home. The previous year they were just scraping by. （ They just bought a new home. A year earlier, they were just scraping by.去年，他们在赚钱。）例如： They just bought a new home. A year earlier, they were just scraping by. （他们刚买了一所新房子。一年前，他们在赚钱。）
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