cost-free accommodation alternative...at a time of growing studnet debt"please translate

azo free cost $80per color per material什么意思 cost-free accommodation alternative...at a time of growing studnet debtplease translate The North American Free Trade Agreement has cost high-wage jobs in the United States.翻译 Free free free free free free free Free i ( )some of my free time playing basketball for mu school team. A.spend B.cost C.take D.pay spare time 和free time 的区别spare time 和free time 有什么区别?例如：Because he instends to go abroad,his ____ time is totally___in learing English.A:spare;cost B:spare;spent C:free;use D:free;cost 选哪个?理由? the above prices include the delivery charges to the factory free of cost.we shall not bear any cost for delivery till the address mentioned below.请求翻译成中文.此为外贸英语 英语翻译Low-cost quasi-solid-state dye-sensitized solar cells based on a metal-free organic dye and a carbon aerogel counter electrode中metal-free怎么翻译才好呢? computing power,free fall的具体意思,最好有其它例句佐证,原句是：At the cost of computing power continues to free fall,which is a good sign for any enterprise setting up shop in silicon. The students would like to ( )their free time to help the homeless people.不好意思忘打选项了 A.Spend B.waste C.volunteer D.cost 英语翻译It will cost a little more to get into the 2010 Shanghai World Expo.,but a free version will be available on thie Internet...