These two kinds of theories each has its own advantages, but also difficulties they themselves could not overcome.

这两种理论各有其优点，也都有自身无法克服的困难。

youdao

"I am confident that two mature democracies such as ours will overcome these difficulties, " said the ambassador, speaking at a business event in New Delhi on Wednesday.

WSJ: India, Italy Spar Over Marines' Court Case

"I am confident that two mature democracies such as ours will overcome these difficulties, " said the ambassador, speaking at a business event in New Delhi earlier on Wednesday.

WSJ: India Warns Italy on Marines