These so-called merits are often offset by its undesirable effects.

这些所谓好处往往被鞭炮产良后果抵消了。

The youngsters set off string after string of firecrackers to mark Spring Festival.

孩子们放了一串又一串鞭炮, 以欢庆春节。

Setting off firecrackers makes a tremendous noise and causes serious air pollution.

燃放鞭炮会产巨大噪声,严重染大气。

Setting off firecrackers can add to the festive atmosphere and offer an outlet for people's pleasure and excitement.

"放鞭炮能增添节日气氛,给人们充分表达欢乐兴奋之情机会。"

It will pay in the long run if the setting off of firecrackers is effectively banned in the cities.

"从长远来看,在城市有效地禁放鞭炮,是值得。"