Question

求在线英文翻译，内容如下

astronomers say they have strong evidence for anoter planet in the same system that has about eight times the mass of the earth and orbits every 84 days. in most consumer countries,oil has also dominated national economies, as a major component of imports and thus substantially affenting balances of payments.

Answer 1

天文学家说,他们已经为另一个星球的强有力的证据在相同的系统上,大约有八倍的质量地球和轨道每84天。 在大多数消费者的国家,石油也主导国家经济体作为一个主要的成分,从而大大影响进口平衡国际收支。