If possible, you want to avoid alcohol.

你应尽可能避免饮酒。

《牛津词典》

If possible keep a spare pair of glasses accessible in case your main pair is broken or lost.

如有可能留一副备用眼镜以防你常用的那副打碎或丢失。

《柯林斯英汉双解大词典》

Use a genuine fish knife and fork if possible as they are designed to cut through the flesh but not the bones.

如果可能的话，使用一副真正的鱼刀和鱼叉，因为它们是专门设计用来切鱼肉而非鱼骨的。

《柯林斯英汉双解大词典》

If possible, in the year before you plant potatoes, plant a cover crop to improve the soil and the potato production.

VOA: special.2009.03.10

And by this time all educated Roman men were expected to be able to speak Greek, well if possible.

那时所有受过教育的罗马男子,有可能的话，都要会说希腊语。

耶鲁公开课 - 新约课程节选

It is, of course, important if you use animal testing to treat the animals with as much dignity as possible.

如果要用动物做实验的话，请给予这些动物最大的尊严，我认为一点十分重要。

需要动物实验吗？ - SpeakingMax英语口语达人

If possible, it negotiates easements as a cheaper alternative to buying the properties outright.

FORBES: Battle cry

Drivers are urged to avoid the area if possible, especially over the Memorial Day weekend.

NPR: Feds Look For Temporary Fix After I-5 Collapse

If possible interview all three financial advisors before determining which one best fits your needs.

FORBES: Invest in Yourself and Live Financially Independent