英国巴斯火车站名字叫什么

打算自助游英国，预订伦敦到巴斯的火车票，在nationnalrail网上查的时候，发现巴斯有三个名字，Matlock Bath ，bathspa，bathgate，到底哪个才是呢。还有温莎，剑桥。请大侠指教。要是定错了，就麻烦了。
还有我在看火车票



04:20
London Paddington [PAD]
Cambridge [CBG] Platform 2
06:39
2h 19m

2
More Details on the 04:20 service from London Paddington to Cambridge





cheapest fare
Single Fare £19.10
Anytime



05:05
London Paddington [PAD]
C ambridge [CBG] Platform 1
06:50
1h 45m

1
More Details on the 05:05 service from London Paddington to Cambridge




Single Fare
£21.20
Anytime



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Anytime : fully flexible tickets with no time restrictions on when you can travel. Perfect for people who need flexibility
More Fares

05:08
London Paddington [PAD]
Cambridge [CBG] Platform 7
07:26
2h 18m

1
More Details on the 05:08 service from London Paddington to Cambridge





Single Fare £19.10都是anytime,怎么有19.10和21.20的区别什么意思，怎么理解，该买哪个呢