The catch is, of course, that you must first improve your own humor skills.

这样一来，你自己首先要提高自身运用幽默的技能。

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Fitbit, for example, released its first smartwatch on Monday, selling with a clear purpose—to improve your fitness—and promoting it as a "tool, not a toy".

以 Fitbit 为例，该公司在周一发布了其第一款智能手表，它的销售目标很明确——提高你的健康水平，并将其宣传为“工具，而不是玩具”。

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that 'we tried initially, during the first three years of Gorbachev's tenure, to improve the system accelerate it but keep it intact.

VOA: standard.2009.11.03

We have focused on two goals: First, to improve our response to dating violence so that victims can get better help.

WHITEHOUSE: Our Top Stories

Kirsty Williams AM, leader of the Welsh Liberal Democrats, attacked the Communities First programme to improve the living conditions and future prospects of Wales' most disadvantaged communities.

BBC: First minister's questions

Abellio said its first priority was to improve customer service.

BBC: England