中国大学MOOC: The is at the center of the British political system.
举一反三
- ____ is at the center of the British Political system.
- 中国大学MOOC: Political system is the system of ___________ in any nation.
- 中国大学MOOC: A closed system must be an isolated system.
- 中国大学MOOC: Over of British children receive primary and secondary education through the independent system.
- 中国大学MOOC: Self-driving cars are installed with s________ sensors like GPS, vision system, lidar system and radar system. (--provided in addition to something else in order to improve it)