Lame formula

例句：

1. 1. The team's new strategy is a lame formula that won't work.
   团队的新策略是一个不起作用的拙劣公式。
2. 2. She was disappointed with the lame formula of the textbook.
   她对教科书的拙劣公式感到失望。
3. 3. The company's marketing campaign used a lame formula to attract customers.
   该公司的营销活动使用了拙劣的公式来吸引顾客。