和大多数成功的政客一样，辛克莱也是个机会主义者。
Like most successful politicians, Sinclair was an opportunist.
与机会主义者对立的是竞争者。
大多数偷车贼是机会主义者、不熟练的小罪犯；许多人不到20岁。
Most car thieves are opportunist unskilled petty criminals; many are under 20.
“机会主义者”必须不断入侵新的地区，以弥补被更具竞争力的物种取代的损失。
Opportunists must constantly invade new areas to compensate for being displaced by more competitive species.
人工草坪、田野或花圃等人文景观提供了裸露的土壤和缺乏竞争者的环境，是“机会主义者”的完美殖民地。
Human landscapes of lawns, fields, or flowerbeds provide settings with bare soil and a lack of competitors that are perfect habitats for colonization by opportunists.
因为每个个体的生命都是短暂的，“机会主义者”这类物种的群体数量很可能受到干旱、严冬或者洪水等不利因素的影响。
Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods.
因为每个个体的生命都是短暂的，“机会主义者”这类物种的群体数量很可能受到干旱、严冬或者洪水等不利因素的影响。
Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods.
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