The ethical issues surrounding IVF are complex, but the desire to have a child is a fundamental human right.

Technology will continue to revolutionize how we extract and utilize natural gas.

有时侦探不是在破案，而是在被案件吞噬。

如果一个人行为不端正，内心不纯洁，那么权势和富贵都会像云烟一样消散。