"A tree’s leaves may be ever so good.
So may its bark, so may its wood;
But unless you put the right thing to its root.
It never will show much flower or fruit.
But I may be one who does not care
Ever to have tree bloom or bear.
Leaves and bark…"
"I think perfect accent depends on the ears----only when you can distinguish the difference between native and you, you could improve it. And it also depends on the ability of mimic. So to some extent,a good English(not only English,but also all…"