1. Vouchers or test scores: Those who have passed relevant foreign language tests or obtained corresponding certificates can fill in the test scores or certificate grades in their resumes or forms. For example, fill in the National College English Band 4 or Band 6.
2. Descriptive level: Some descriptive words can be used to express foreign language level. For example, skilled, fluent, good, average and so on. These words can help recruiters or evaluators better understand the level of foreign languages.