1. While human cloning might not offer great benefits to humanity, no one has yet made a convincing case that it would do any real harm, either.
    虽然克隆人类可能不会给人类带来很大的好处，但也没有人能提供有力的例证证明它会带来真正的危害。

2. None of these investigations has produced convincing answers to the mystery of the triangle, but there is no shortage of interesting theories.
    这些研究之作都未能令人信服地解答百慕大三角之谜，但其中不乏有趣的理论。

3. His talking was convincing.
    他的谈话是令人信服的.