It has to be recharged:One of the main downsides of Oyster is that it’s a pay as you go card that needs to have credit on it use it. This is fine if much of your travel is by tube as the majority of tube stations have machines that you can top-up on. However, if you travel...
Please see: http://www.tfl.gov.uk/fares-and-payments/contactless/how-fares-are-charged "We calculate the best fare for each day or week, depending on where and when you have travelled, by: Adding up the cost of all the journeys you make each day and applying ...
mind / maInd; maInd/ v 1 [Tn] take care of or attend to (sb/sth) 照看, 留心(某人[某事物]): mind the baby 照料婴儿 *| Mind my bike while I go into the shop, please. 请帮我照看一下自行车, 我到商店里…