dealing securities meaning in English

交易性证券

The writer thinks : one concept should be use to express the various statuses of validity of contract brought from rescinding contract in part or whole ; at first , the right to decide whether to restore the original status belongs to parties of contract , then it belongs to judge or arbitrator , however , when decided , they should be bound by following actors : performance and character of contract , provisions in law , dealing security of a third , opinions of superior department , purpose of system of rescinding contract and principles of fairness and benefit , etc
本文认为，应使用“合同解除”一个概念表述合同效力部分或全部消灭的各种形态；合同解除是否溯及既往，首先是当事人的权利，其次是载判者的权力，但无论如何，都应受到如下因素的限制，即合同性质、履行状态、法律规定、第三人的交易安全、主管部门的意见、合同解除的规范目的和公平与效率原则等。