“外部的”的英语？

他们考虑来自外部的感染公司的病毒, 他们设想黑客侵入到信息宝库中.They think of viruses that infect an organization from the outside. They envision hackers breaking into their information vaults.现在来自外部的结婚压力少了。Nowadays there are fewer extrinsic pressures...