It comes from a variety of sources, including fossil fuel production and even farming. Cows give off methane, ya know, after they eat.

大气中的甲烷有多种来源，包括化石燃料燃烧和农牧业活动，比如奶牛在进食后就会排放这种气体∶-。

youdao

Get off my back, will ya? I told you I'd do it when I got the time.

别罗嗦了好不好？我已经告诉你了我有时间就去做。

youdao

Get off my back, will ya? I'll do it when I have time.

别罗嗦了，好不好？我有时间就去做。

youdao

Last week, Israel's Deputy Prime Minister Moshe Ya'alon set off a storm when he described the group as a "virus."

VOA: standard.2009.08.23

More worldly friends will stop off here for dinner in cool Mimasu-ya, reserving tables overlooking the water, or in the sublime French kaiseki restaurant, Misoguigawa, where a girl in kimono sits by your table throughout the meal, making delectable small talk in impeccable English.

BBC: The walk that made me love Japan

The earthquake Saturday morning triggered landslides that cut off roads and disrupted phone and power connections in mountainous Lushan county, in Sichuan's Ya'an city area, which is further south on the same fault line where a devastating quake wreaked widespread damage across the region five years ago.

NPR: China Rushes Relief After Sichuan Quake Kills 180