All of which would, of course, have a positive effect on happiness levels.(當然，這所有都會對幸福等級產生積極的影響。)

How can eating meat have a negative effect on the environment?(吃肉怎么會對環境產生負面影響呢？)

The experiment is not a test of geoengineering since it will not have any effect on the climate or the weather.(這個實驗不是一項地球工程學的試驗，因為它不會對氣候或天氣產生任何影響。)

Sleeping on your left side may have a negative effect on sympathetic nervous activity.(向左側睡可能會對交感神經活動產生負面影響。)

If the cancer is at a more advanced stage, it will probably require chemotherapy, and this can have a dramatic effect on the unaffected testis.(如果癌癥已進入晚期，就可能需要化療，這可能對未受影響的睪丸產生巨大影響。)

All these have effect on journals, and must be solved.(這些都會影響期刊的外在形象，需要立即解決。)

Lack of money will have an adverse effect on our research programme.(缺少資金將對我們的研究方案有不利影響。)

A country's capacity to produce wealth depends upon many factors, most of which have an effect on one another.(一個國家創造財富的能力取決于許多因素，其中大多數因素相互影響。)

These nutrients have an effect on the starfish, because they cause an increase in the growth of phytoplankton.(這些營養物質會對海星產生影響，因為它們會增加浮游植物的生長。)

In Europe, taxes account for up to four-fifths of the retail price, so even quite big changes in the price of crude have a more muted effect on pump prices than in the past.(在歐洲，稅收占汽油零售價的比例高達五分之四，因此，即使是原油價格發生了相當大的波動，對油品價格的影響也比過去要更輕微。)