He seldom if ever travels abroad.

他很少出国旅行。

youdao

This simple circuit made up of a source, a load and two wires is seldom, if ever, met with in practice.

这种由一个电源、一个负载和两根导线组成的简单电路，在实际中即使能碰见也是很少的。

youdao

Moreover, testing tools for these applications seldom, if ever, automate the time-consuming task of validating the UI against a common set of standards.

此外，这类应用程序的测试工具很少能够自动执行针对公共标准集验证ui的任务，而这种任务很耗时间。

youdao

Price is seldom if ever the real reason why the prospect is not buying.

FORBES: 5 Ways to Keep Prospects from Picking Your Pocket

Under the plans, MPs would "seldom, if ever" face the chop, the Political and Constitutional Reform Committee predicted in its latest report.

BBC: Ditch plans for power to sack MPs, government urged

Democracies seldom, if ever, take up arms against each other.

ECONOMIST: A suitable target for foreign policy?