Here's what it means:
我 的 朋 友,恭 喜 发 幸 运!在 澳,我 去 堪 碚 垃, 我们 吃 很 多。你 来 悉 尼, 在 游 泳 滩。
My friend, I wish you good luck! In Australia, I will go to Canberra. Let's eat plenty. You come to Sydney, we'll swim at the beach.
"Shudian" is the putong hua (mandarin) of "bookstore". And while this is not a place to find a book to buy, hopefully, I might help in selecting which books to hoard and which ones to chuck out when in a bookstore.
我 的 朋 友,恭 喜 发 幸 运!在 澳,我 去 堪 碚 垃, 我们 吃 很 多。你 来 悉 尼, 在 游 泳 滩。
My friend, I wish you good luck! In Australia, I will go to Canberra. Let's eat plenty. You come to Sydney, we'll swim at the beach.