They also expressed concern that any discretionary element in a facility of the kind under consideration might be seen as an attempt by the hkma to control interest rates or as a policy of remunerating banks for holding clearing balances . 6 成员并担心构思中的机制若然涉及金管局的酌情运作,可能会被视为金管局试图控制利率或对持有结算馀额的银行支付回报的一种政策。