Start with a trial program, and expect to change the details as you go.

从一个试验项目开始，并期望在进行过程中更改细节。

youdao

Time Based free trial -give a free trial for X days and start charging once the trial ends.

有时间限制的免费试用——提供给用户一个X天的免费试用期，在试用期结束之后开始收费。

youdao

A trial is due to start in April.

审判将于4月开始。

youdao

Meanwhile,dozens of war survivors who had come to witness the start of the trial were disappointed at its quick conclusion.

VOA: standard.2009.10.26

In just a moment the hearts are gonna start flowing from bottom to top and the cookies are gonna start moving left and right and they seem to be somewhat synchronized with the music, perhaps based on trial and error by the student who implemented this one.

刚刚那一刻，那些爱心们从底部上浮到顶部,饼干人则向左向右移动,它们似乎都随着音乐的律动而变化着，也许这是那个制作该动画的同学,不断尝试的结果。

哈佛公开课 - 计算机科学课程节选

Trial observers point out that judges could start proceedings without him or force the defendant or his counsel to appear.

VOA: standard.2009.10.25

One lawyer has suggested in private it could even be September 2009 before the trial can start.

BBC: Karadzic rolls out delaying tactics

The judge scheduled the trial to start Aug. 5, setting aside four weeks.

NPR: Colo. Judge Enters Not Guilty Plea For Holmes

In November, the trial will start on a national scale, with roughly 5, 000 titles available from kiosks in bookshops and convenience stores.

ECONOMIST: Electronic books