团队花了一周时间精心制定出一个详细的营销计划。

The team spent a week carefully ___formulating a detailed marketing plan.

他花了一下午的时间才清晰地表述出自己的商业计划。

It took him the whole afternoon to ___formulate his business plan clearly.

科学家们正在用特殊配方研制一种新型抗生素。

Scientists are ___formulating a new type of antibiotic with a special recipe.