在这个市场上,真正的古董很难找到。
Genuine antiques are hard to ___come ___by in this market.
随着经济下滑,稳定的工作越来越难获得。
With the economic downturn, stable employment is increasingly tough to ___come ___by.
她通过人脉设法获得了一些机密文件。
She managed to ___come ___by some confidential documents through her connections.