Complex sentence: SPECTRE thus works with both sides of the Cold War; besides China's attempt in "Goldfinger" to destabilise the Western world's economy, the French Foreign Ministry has hired its services to kill a defector to the USSR.
Split into simpler sentences: SPECTRE thus works with both sides of the Cold War. For example, in "Goldfinger" it works with both China, to destabilise the Western world's economy, and the French Foreign Ministry, to kill a defector to the USSR.