in和within的区别
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in和within的区别
Scientists say Parkin's new computer memory could begin to replace flash memory (in) three to five years括号的in可以用within替换吗,为什么
Scientists say Parkin's new computer memory could begin to replace flash memory (in) three to five years括号的in可以用within替换吗,为什么
一段时间觉得还是得用in,不能用within,还要看一下原文的意思,这2个词的确不好分
表达时间,这两个介词有着这样一个区别:前者是指期限之外,而后者则是指期限之内;而且由后者引导的短语总是用于一般将来时态,而前者无此限制(注:美国英语往往使用inside of来代替后者).
比较:Mrs Gray will return in a week''s time.格雷太太将在一星期以后回来.
Mrs Gray will return within a week''s time.格雷太太将在一星期之内回来.
2.引导抽象名词,两者都可使用,只是所含义蕴不全一样,而且,前者不如后者强势.试举例来说明.
例如:in one''s power;in one''s grasp,etc.
within one''s power;within one''s grasp;etc.
比较:It is in my grasp.这我可以办到.(说明事实)
It is within my grasp.这我可以办到.(说明职权)
表达时间,这两个介词有着这样一个区别:前者是指期限之外,而后者则是指期限之内;而且由后者引导的短语总是用于一般将来时态,而前者无此限制(注:美国英语往往使用inside of来代替后者).
比较:Mrs Gray will return in a week''s time.格雷太太将在一星期以后回来.
Mrs Gray will return within a week''s time.格雷太太将在一星期之内回来.
2.引导抽象名词,两者都可使用,只是所含义蕴不全一样,而且,前者不如后者强势.试举例来说明.
例如:in one''s power;in one''s grasp,etc.
within one''s power;within one''s grasp;etc.
比较:It is in my grasp.这我可以办到.(说明事实)
It is within my grasp.这我可以办到.(说明职权)
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