The potential evolution of today's technology, and its social consequences, is dazzlingly complicated, and it's perhaps best left to science fiction writers and futurologists to explore the many possibilities we can envisage.
本句32词，包含并列句，定语从句等结构，接下来按照两个并列句分开来理解该句。
1.The potential evolution of today's technology, and its social consequences, is dazzlingly complicated;句子主干为The potential evolutionis dazzlingly complicated，其中of today's technology, and its social consequences是较长的of 介词短语做evolution的定语，理解为 如今技术和它的社会影响的发展
Evolution:进化，发展 dazzlingly 耀眼地，炫目地，惊人地
理解为： 现如今科技发展和其社会影响可能的发展复杂程度令人瞠目结舌
2.it's perhaps best left to science fiction writers and futurologists to explore the many possibilities we can envisage此处包含了一个省略了从属连词的定语从句the many possibilities we can envisage ： we can envisage为定语从句修饰限定前面的the many possibilities 意思为我们可以想象的许多可能性
science fiction科幻小说 futurologists 未来学家 envisage展望，想象
理解为：不妨留给我们的科幻小说作家和未来学家去探索我们可以想象的各种可能性
整句：现如今科技和其社会影响未来发展的复杂程度令人瞠目结舌，不妨留给我们的科幻小说作家和未来学家去探索我们可以想象的各种可能性。