英语词汇optional service简单造句、意思、用法及例句-英语例句辞典

单词	optional service
例句	原声例句 BBC随身英语（官网版） Adding an optional service charge to your bill certainly makes paying a tip less awkward because there's no need to calculate the amount. 在您的账单中添加可选服务费肯定会减少支付小费的尴尬，因为无需计算金额。深读英文 Adding an optional service charge to your bill certainly makes paying a tip less awkward because there`s no need to calculate the mount. 增加一个可选的服务费在账单里面确实让给小费不显得那么尴尬，因为你不必计算小费了。
随便看	be by bec. bec be caged be calculated for be calculated to be calculated to do be calibrated be called be called away be called for be called on be called on to be called to the bar be callous to becalm becalmed becalming becalms became became accustomed to became aware of became of became one became one flesh

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