They agreed to pay an extra price for early phases of solar energy, presuming the price would drop.

他们同意为太阳能的早期阶段支付额外的价格，假设价格会下降。

If the staff are rude, the queues are badly managed or the “extras” extravagantly priced, travellers can hardly take their business elsewhere.

即便工作人员粗鲁无礼，队伍排得乱七八糟，或者“额外费用”高昂，旅行者也难有其他选择。

But the study provides the latest proof that cutting down on processed foods may be worth the extra price and effort.

但这项研究提供了最新证据， 表明减少加工食品的摄入量可能值得付出额外的代价和努力。