You will be able to take ten dozen bottles free of duty through customs.
你可以携带120瓶免税通过海关。
《柯林斯英汉双解大词典》
2
Lincoln then defended his statement that the United States could not continue half slave and half free. He said he did not mean that customs or institutions must be the same in every state.
Trade within a country is ordinarily free of the obstructions of strange language, customs, and commercial laws, but these obstructions may be greatly involved in international trade.