Catch up with five unforgettable entrepreneurs we featured this year, including rebel baker and reality-TV star Duff Goldman.

跟踪五位令人难忘的创业家，我们曾在今年对其进行特别报道，包括叛逆的面包师与电视真人秀(reality - TV)明星达夫•高曼。

Mark, I'm up the duff.

马克，我怀孕了。

In addition, the duff fuel-dryness severity increased fire control and mop-up difficulties.

半腐层和深层可燃物干燥状况的增加，会加大火灾控制和火场清理的难度。

Duff himself is agnostic about the value of octonions, pointing out that no theory in which they pop up has yet been tested by experiment.

杜福，他自己也并不知道八元数的价值。他指出，他没有什么经过试验测试的理论，八元数就突然出现了。