在确定密级前，产生该事项的机关、单位应当按照拟定的密级，先行采取保密措施。
Pending the classification of the secret the state organ or unit where the matter has arisen shall initially take security measures in conformity with the category proposed for its classification.
在进行交易前，阁下应先行查明有关阁下将进行的该项交易的所有规则。
Before you trade you should enquire about any rules relevant to your particular transactions.
在进行交易前，阁下应先行查明有关阁下将进行的该项交易的所有规则。
Before you trade you should enquire about any rules relevant to your particular transactions.
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