✔ 最佳答案
這是香港維多利亞港的明信片.
香港維多利亞港= Hong Kong's Victoria Harbour ( Mind your spelling, pal.)
It is postcard(countable noun) of Hong Kong Victor ( misspelled) Harbour.<---- A few mistakes here!
This is a postcard of Hong Kong's Victoria Harbour.<---- (simple and natural)
a = one postcard = a countable noun
( We cannot say " It/This is postcard."!)
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a(indefinite article) postcard = one postcard the(definite article) (指 定時用) <---->postcard
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1) Here is a postcard of Hong Kong's Victoria Harbour.
2) This is a postcard of Hong Kong's Victoria Harbour.
3) This is a postcard that shows a charming night view of Hong Kong's Victoria Harbour.