成为一名艺术家就是要拥抱不确定性。
The success of IVF is a testament to the power of collaboration between scientists and clinicians.
U.S. energy independence doesn't mean isolation - we're still part of global markets.
译文:水源都搞脏了还想水流清澈,木头都弄弯了还想要影子笔直——做梦!