Initialism for sexually transmitted infection.

• Also for sexually transmitted illness.

性传播感染的缩写。

• 也指性传播疾病的缩写。

Subaru Tecnica International, Subaru's motorsport and performance division.

Subaru Tecnica International，斯巴鲁的赛事与高性能部门。

Initialism for short-term incentive in compensation plans.

• Often an annual cash bonus.

短期激励的缩写（薪酬领域）。

• 通常指年度现金奖金。

Initialism for science, technology, and innovation.

科学、技术与创新的缩写。