Method Psychophysical experiments were carried out using both single stimulus method based on random-gradient method and one-interval-forced-choice method.

采用的心理物理学实验方法是单刺激随机阶梯法和单择一强迫选择法。

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Forced to make a choice between boyfriend and her job, she chose the latter.

她不得不在男友和工作之间做出选择，最终她选择了后者。

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Their questions forced me to reflect on why I made the choice I did.

他们的疑问令我不得不深思自己当初之所以作出这种选择的原因。

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Leicester were forced to turn to third-choice scrum-half, Frank Murphy, against Gloucester on Saturday, but the Tigers may have Scott Bemand back from injury in time to face Wasps.

BBC: Injured Ellis will miss World Cup

Thus the upcoming vote has divided the gay community, which has been forced into a wrenching choice--not so much over whether to vote no but over what to tell family and friends about the vote, about themselves, about their lovers.

CNN: For better or worse

Most of the gains came from new work patterns that no longer forced women to make an all-or-nothing choice.

WSJ: Virginia Postrel on the Mommy Track | Commerce & Culture