Once a year,a race is held for old cars.这里为什么不是By 而是for?

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Onceayear,araceisheldforoldcars.这里为什么不是By而是for?Onceayear,araceisheldforoldcars.这里为什么不是By而是for?Onceay

Once a year,a race is held for old cars.这里为什么不是By 而是for?
Once a year,a race is held for old cars.这里为什么不是By 而是for?

Once a year,a race is held for old cars.这里为什么不是By 而是for?
此句的意思是
每年,都会为旧车举办一场赛事.
for 在这里表示的是 “为…”的意思
比如 I made a cake for you.我为你做了个蛋糕.
held 是 hold 的过去式,在这是“举办,举行”的意思
而并不像楼上说的那样是适用的意思
而你说为什么不用by,
by 意思是“由…”亦有被动意
比如,This cake is made by me.
用by的话,意思就变成
每年,都有一场由旧车举行的比赛.
显然,旧车又怎么能举办赛事呢?这意思不对.
所以,用for
希望解答了你的疑问

held for:
v. 适用

例句与用法:
1. How dare he attack beliefs and ideas which had been held for centuries?
他竟敢攻击多少世纪来人们所持有的信仰和观念。

2. Once a year a race is held for old ca...

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held for:
v. 适用

例句与用法:
1. How dare he attack beliefs and ideas which had been held for centuries?
他竟敢攻击多少世纪来人们所持有的信仰和观念。

2. Once a year a race is held for old cars.
每年举行一次旧式小汽车比赛。

3. A formal dance held for a high-school or college class typically at or near the end of the academic year.
班级舞会常在学年结束或将近结束时高年级或大学生开的正式舞会

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就单词而言 for有为----的意思而by是通过一般by后面的主语是人因为be held是被动语态整个句子就变成是曾经这里的旧车举行了一场比赛

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