[English, Spanish, French] Is it more efficient for Japanese people who have reached English B2 level to learn Spanish or French through English?

When learning a foreign language, people usually use their native language, Japanese, as a foundation, such as "learning ...
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At Battle Creek’s La Escuelita, children learn English and Spanish through daily routines

ABCs, numbers and a little español are part of the daily routine at La Escuelita Child Care Center, where children are ...