therein lies something formal CAUSEused to say that something is caused by or comes from a particular situation 此即,缘此〔用以说明某事是由某种情况引起的〕 The treaty was imposed by force, and therein lay the cause of its ineffectiveness. 该条约是通过武力强制执行的,它之所以没有起到作用,原因就在于此。
therein lies something• The treaty was imposed by force, and therein lay the cause of its ineffectiveness.
→ therein lies something at therein(1)