scope of agreement (协定的范围)

　　all transactions and all contracts entered into between snc and the customer, shall be governed by the terms of this customer agreement and the terms of any additional written statements of snc trading regulations or snc additional schedules which may from time to time be set forth or amended by snc and which shall thereupon constitute a portion of this customer agreement, except to the extent (if any) that snc shall agree or notify the customer in writing that other or additional terms apply. any proposals for, ad