Don't log large data objects (CLOBs, DBCLOBs, and BLOBs) unless necessary.

如果没有必要，不要记录大数据对象(CLOB、DBCLOB和BLOB)。

youdao

Avoid "just between us" secret conversations unless necessary to the benefit of the company.

避免“天知地知，你知我知”的密谈，除非是对公司有利的。

youdao

Unless it's necessary, go out less often.

除非必要，否则少出去。

youdao

I did not intend to fight unless it became necessary in self-defense and in the performance of official duty.

VOA: special.2010.02.15

Doctor Fleischman says the group strongly advises against these interventions before thirty-nine weeks unless medically necessary.

VOA: special.2009.10.26

I won't risk your lives unless it is absolutely necessary.

VOA: standard.2009.10.26

Drivers in south and west Cumbria have been urged not to travel unless necessary amid snow and high winds.

BBC: High winds and snow cause problems in Cumbria

Motorists on the Isle of Man are being urged not to travel unless necessary because of snow and ice.

BBC: Snow in Port Erin

Meals are not served through a hatch unless necessary for staff safety.

ECONOMIST: Aid, democracy, rot