【HELP】a few years = many years 及时赶到怎么说?（含make)

How many years make a century? a few years back a few hundred years ago in a few years和 after years ago的区别 many.Years. A few years later 用什么时态? a few years down the road A few years ago,there was lots In a few years' time结构解析 in the past few years i have many difficulties w in the last few years=over the years吗 every few years 中,few前为什么不加“a”?