speculate br>seize a chance to seek private gain br>be opportunistic br>投机,投机倒把: speculation反投机: counte-rspeculation; counter speculation搞投机: play the market; speculate in冒险, 投机: take chances投机,赌博: gamble下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:投机,即可在微信中查询翻译