phr. v.片語動詞進入I am going into Mathematics, I hope to be an expert in the field
phr. v.片語動詞進入They are going into the store to buy some groceries.
phr. v.片語動詞詳細討論The speaker is going into the details of the new policy.
phr. v.片語動詞從事He is going into business with his brother.