POSSabbr.标准光学监视系统(=Prototype Optical Surveillance System)possyn.<澳俚>职位； 职务； 差事

1. That's not nearly as fun, but it is probably a lot more effective.
   虽然这一点也不好笑，但是可能有效地多。
2. The battle rages on many fronts, from research into brain chemistry to drugs developed for other uses that may be effective in controlling migraines.
   这项对抗头痛的战役在许多面向如火如荼地进行着，从脑部化学的研究到原本为其他目的研发但可能有效控制偏头痛的药物都有。