一定的金额 meaning in English

a sum certain money

Customers receive them as a bonus gift with purchases over a certain amount
顾客只要消费满一定的金额就能额外得到一个赠品。
Order makes against someone who has beem convicted in the crown court of an offence which has resulted in damage above a certain sum to other identified parties
针对已在巡回刑事法院判罪人的命令，此人的犯罪行为已给他有关当事人造成的损害并超过一定的金额。
" we watched him throughout last season and he played at the world cup , clearly . we were offered him at the start of the summer transfer window for a significant sum
“我们上一季一直在观察他，他参加了世界杯。我们在夏天转会市场一开时可以用一定的金额签下他。
For example , in a banking application where funds are transferred from one account to another , one account is credited an amount in a database table , and another account is debited the same amount at the same time in another database table
例如，在将资金从一个帐户转移到另一个帐户的银行应用中，一个帐户将一定的金额贷记到一个数据库表中，同时另一个帐户将相同的金额借记到另一个数据库表中。