His people are also training thousands of polling agents to staff the 11,000 voting stations.

他的人同时在训练数以千计的投票工作人员来充实那1.1万个投票站。

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But even if machines are closely monitored by polling staff--a condition that's far from universal--a more realistic concern may be innocent bugs that miscount or ignore votes.

FORBES: Magazine Article

Mr. Mahmood said that in Pakistan's largest province of Punjab, where Mr. Sharif's brother ran the provincial government in recent years, many polling staff, who are mostly teachers in government schools, were too scared to call the vote in favor of PTI.

WSJ: Pakistan Election Gets a Seal of Approval

Early voting requires states to staff polling locations for weeks at a time and to maintain and secure the polling machines.

CNN: In voting, the early bird skips the line