Again, it is rather stilted, Kai Muh. You are acquiring vocabulary at a faster rate than you are learning the register to use it in. Spend more time looking at the context of new words, rather than just assimilating them in isolation.
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Gaw Kai MuhI have found a good website although"Although" is being used as a joining word, but the two sentences are not related. You would be better to keep it simple and have two sentences, and