As these five ports were all close to the teagrowing areas of southern China, the supply of tea became abundant and uninterrupted, and after the Treaty of Nanking the huge stocks of tea held in London's warehouses expanded so much as to become a worrisome burden.
平白得了五個靠近江南茶區的口岸，茶葉的供應自是源源不斷，倫敦儲倉大量的「外茶存底」，在南京條約之後，竟多得成了麻煩的負擔。