I don't know what good an electronic watch would do.

我不明白电子表有什么好处。

youdao

The circuit of electronic watch is designed with the software of Electronics Workbench(EWB).

应用虚拟电子工作平台（EWB）软件设计出电子表电路。

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Applicable to mobile phones, MP3 glass, glass, gem stone eyeglass lenses, magnetic materials, electronic watch glass, etc.

适用于手机玻璃、MP 3玻璃、眼镜镜片、宝石、石材电子磁性材料、手表玻璃等。

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It allows users to surf the Web, watch video,listen to music, play games or read electronic versions of books.

VOA: standard.2010.04.03

Lord Harris, who died in 1984, could hardly have imagined how the now-ubiquitous electronic quartz watch would make time-keeping cheap, dependable and above all effortless.

ECONOMIST: Craftmade timepieces

We haven't yet heard of any problems with the RFID tags increasingly being used to monitor inmates in prisons, but it looks like the electronic tags used to keep watch on early release offenders are decidedly less reliable, at least according to a recent investigation into the matter in Scotland.

ENGADGET: Scots lose sight of early release offenders due to faulty electronic tags

Each electronic trader should install a computerized system to watch its outgoing order flow to ensure that it is consistent with its business model.

FORBES: After the Knight Capital Catastrophe, Throttle the Traders, Not the Markets