Buffett in charge since 1965 as the core business of the insurance company Berkshire Hathaway.
巴菲特自1965年开始执掌以保险为核心业务的伯克希尔·哈撒韦公司。
2
On Earth, heat from the solid inner core drives complex fluid dynamics through convection in the planet's molten outer core, causing an electrical charge which generates a global magnetic field.