你看到的颜色有几种？
国旗上有几种颜色？
How many colors does this model have?
这个有几种颜色？
How many colors do you have for this product?
这个产品你们有几种颜色？
Do you know how many colors there are in a rainbow?
你知道彩虹有多少颜色吗？
I am counting how many colors there are at Erdaohai lake.
我正在数一数这二道海到底有多少种颜色呢。
Excuse me, how many colors are available for this sweater?
请问这件毛衣有多少种颜色？
Excuse me, how many colors are available for this sweater?
请问这件毛衣有多少种颜色？
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